QUES: acceptable
ANS: It will take years for the Mersey to clean.

QUES: acceptable
ANS: I go, run, swim, jump, fly, crawl, dance, walk.

QUES: acceptable
ANS: Susan whispered "Shut up" at them.

QUES: unacceptable
ANS:
Here's a razor for it to be announced that you will be shaved with.