instruction: Is the next sentence syntactically and semantically acceptable?

Carmen obtained Diana of a spare part.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

A dog lay in the corner.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Did he try ever to talk to the student?
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mika loved the policeman intensely and Susan did so half heartedly.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable