The relationship between these women, if any, is not known.

He wanted to know more about her and Danny's relationship.

The exact relationship between the two women will never be known.

Had the relationship become widely known, it could have ended his political career.

The relationship between the two events is known as causality.

You know the President's relationship with me, how close she and I are.

When both the relationship of symptoms and their causes are known, people generally talk about a disease.

He did not sign the limerick, but his relationship with the woman was known.

Sam's enemies reveal that his relationship with a call girl is known to them.

Lasting relationships have been known to come from last chances.