Scientists wondered if animals could learn to use signs to explain what they wanted.

But there was no sign explaining its presence in the middle of a busy street.

But I don't go around with a sign explaining myself.

A Closed sign in the window explained the reason.

A sign in the lobby explains that taking the photos is necessary "for your own security."

Just above it was a little sign explaining why you should buy this sophisticated cheese.

He put up signs explaining that the flowers were part of a project, but the results have been mixed.

A large pole-mounted sign on the property explains the history of the community and the church.

This sign in one end zone explained why: "Please keep off field.

One finally discovers a sign explaining the reason and is relieved.