"Or at least to bring back conclusive evidence that they are happy in their new lives."

At present, no conclusive medical evidence shows this has any effect.

There is no conclusive evidence as to why he was killed.

I don't think there is any conclusive evidence one way or the other, however.

So far, no conclusive evidence has been found as to the identity of the site.

People keep saying that there is no conclusive legal evidence.

It wouldn't be accepted in a court as conclusive evidence.

This is hardly conclusive evidence for one theory or another.

There is still no conclusive evidence on any clear link.

That is for me the conclusive evidence of His existence.

Some human rights groups, without firm evidence, believe that the numbers are much higher.

They weren't really based on any firm evidence at all.

"But how close do you think he is to getting firm evidence?"

In reply to a question, however, he said his office has no firm evidence that anyone else was involved.

There is firm evidence of an organized league in 1890.

There is no firm evidence for a castle on the site.

Officials think most if not all of them are dead, but need firm evidence to close the cases.

She died either in 1542, or after 1547: there is no firm evidence for any death date.

It may have been used for communications but there is no firm evidence.

There has been no firm evidence for modern humans in Europe before about 35,000 years ago.

Presentation is beautiful, clear proof that we first eat with our eyes.

It was a clear proof they could find nothing else in life to do.

There's no clear proof of that, but it can't be ruled out.

You'll never see a clearer proof that history is written by the winners.

"It's clear proof that the people with the most money don't necessarily win."

Yesterday, law enforcement officials said they had moved no closer to finding clear proof.

Your father knew about the diary, but we have no clear proof he ever had it.

These events are clear proof that we need to strengthen economic governance in the Union.

Their contradictory conclusions are, I might add, clear proof of this.

At a news conference yesterday, the governor called the new data "clear proof that this state is back."

But surely it's the job of scientists to deal in irrefutable evidence rather than predictions?

Yet we know, on irrefutable evidence, that five minutes after he came out of the apartment, the girl screamed and called for help.

In the end, there is no irrefutable factual evidence either way.

If a car moves before the official start, race stewards have irrefutable evidence.

I felt we had presented irrefutable evidence in our 631-page brief.

It is the irrefutable evidence of the last 200 years.

I was hoping for some more irrefutable evidence, or at least another lead.

The campaign has provided the public with its first irrefutable evidence that war crimes were committed in Kosovo.

Even confronted with irrefutable evidence they'd all turn a blind eye because that's what suits them.

All around them was the irrefutable physical evidence of the explosion's power.

Yet on the other hand, you are faced with the irrefutable proof of your own eyes.

If ever she had wished for irrefutable proof that he really loved her, this was it.

Maybe even two, which would be irrefutable proof of guardian angels.

Which was, he supposed, irrefutable proof of her ability to cast a spell.

He was going to need irrefutable proof that the device could be used safely.

The report we are debating today constitutes the most irrefutable proof.

History will no doubt use the same words as irrefutable proof of Manning's courage.

Would the Vatican want irrefutable proof that they'd been handing down the wrong message for the last two thousand years?

I hardly think irrefutable proof of a call like this is flawed.

Lois does not believe that her sister is dead and refuses to accept the news until she has irrefutable proof.

We have never been shown any incontrovertible proof of such piracy.

An accusation of this magnitude had to be backed up with incontrovertible proof before I could move.

The last thing she needed was incontrovertible proof of her own existence flashed out over the news services.

All he wanted to do was to get away from the incontrovertible proof of his own weakness.

I can present no incontrovertible proof in support of my conviction.

There wasn't any incontrovertible proof the missing lonejacks were dead, of course.

The result was incontrovertible proof that darts is indeed a sport, with physical factors playing a major part.

The tests trouble some for the very reason that police find them attractive: they offer the most incontrovertible proof of identity.

For such a grievous charge, there must be incontrovertible proof.

He sounded resigned, like a man who'd been given incontrovertible proof.

Other sources point out that no hard proof of such decision exists.

I don't have any hard proof- just a feeling that we need these folks to help us out.

There is no hard proof that sports vision therapy translates into better performance.

She had no hard proof, after all, to dispute the Duke's words.

There was no hard proof, but the lieutenant wasn't working up a case for trial.

But I do not want to call a man a murderer without very hard proof.

It wasn't my place and I had no hard proof.

But as serious scholars have long conceded, hard proof of the first 2,000 years is missing.

General Pace added that there was no hard proof pointing to other serious suspects.

American officials have no hard proof that the Sudan still provides training centers for international terrorists.