And that is probably the best clue for those seeking a child-free environment.

Voice is one of the best clues to sandgrouse identification.

I believe the Christmas message provides the best clue.

It was our best clue yet that the war was nearly over.

Well, I've given them the two best clues they have.

The best clue: Are they still passing urine every hour or two?

According to the old case file, the T-shirt was the best clue the original investigators had to go on.

Harry's poetry possibly gave the best clue to his motives.

Those words, rather than an elaborate platform, may in the end offer the best clues to the likely nature of a Kerry administration foreign policy.

They're our best clue to where this kaze came from.