instruction: Is the next sentence syntactically and semantically acceptable?

Here's the whiskey which I went to the store and bought.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

the book of poems by Robert Burns with a red cover from Blackwell takes a very long time to read.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Maxwell isn't half the doctor that people around here believe that his father was.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

To protect him is not an easy task.

response:
acceptable