The challenge, of course, lies in turning those dreams into reality.

And that is also, I believe, where the challenge to this conference really lies.

The challenge at this point lies in interpreting which is the true result.

One such challenge lies in the fact that the average American farmer is now 58 years old.

The challenge lies in telling how close the ball is to you.

What challenges lie ahead for government and the public sector?

Their challenge lies in finding the right balance between national and local interest.

It is easy enough to make; the challenge lies in knowing what to buy.

However, there is still a long way to go and many challenges lie ahead.

I think that an enormous challenge lies ahead of us here at the moment.