instruction: Is the next sentence syntactically and semantically acceptable?

John may rain.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Maxwell is quite the doctor.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Italy borders France.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Though I may love her, that won't affect the grade.

response:
acceptable