instruction: Is the next sentence syntactically and semantically acceptable?

Jeff must not have eaten the deep fried muffin.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

A hefty sum of money came to him from his grandfather.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mary swam as many more laps than Joan as Linda.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I wonder whom Sandy loves.

response:
acceptable