QUES: unacceptable
ANS: It was several young students in that the policeman met the park last night.

QUES: unacceptable
ANS: John inquired that he should read it.

QUES: acceptable
ANS: The witch went into the forest and thereby vanished.

QUES: unacceptable
ANS:
Maxwell isn't half the doctor that his sister is a psychologist and his father was.