instruction: Is the next sentence syntactically and semantically acceptable?

I wonder who it was you saw.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

It has raining every day for the last week.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

I wonder has whether Mary worked for Microsoft.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

The problem is easy to solve the question.

response:
unacceptable