QUES: acceptable
ANS: That automobile factories abound in Michigan worries me greatly.

QUES: unacceptable
ANS: Because never had Sir Thomas been so offended, Mr Yates left.

QUES: acceptable
ANS: They said that Tom wouldn't pay up, but he did go to the bank, and he did pay up.

QUES: unacceptable
ANS:
The lady singing with a boy is a genius, isn't she?