The sound was coming from a box at the back.

"How much money do the police figure was taken from the box?"

Then make up a story using the words from the box.

I've only got to cut the power from the box inside.

He took it from a small box I keep in my press.

He took the letter from the box and went inside.

Nor did any sound come from the box, after all.

He kept her hand in his as they walked from the box.

It seemed to be coming from the black box behind her head.

I walked out from the box and looked at my watch.