instruction: Is the next sentence syntactically and semantically acceptable?

Brian wiped the fingerprints from under the cupboard.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mary won't have been eating cake, but John.
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Bill floated down the river for hours.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Rosie got struck by lightning.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable