instruction: Is the next sentence syntactically and semantically acceptable?

To delay the march and to go ahead with it have been argued by different people at different times.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

He does not finish.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The therapist's analysis of Lucy's

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Which book are you reading?

response:
acceptable