instruction: Is the next sentence syntactically and semantically acceptable?

Kim alienates cats and beats his dog.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

1492 saw the beginning of a new era.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Which cake did you see the man who baked?

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Elizabeth regretted that she had met Wickham.

response:
acceptable