Is the following sentence linguistically acceptable?
Heidi investigated that John ate the cauliflower.
OPTIONS:
- unacceptable
- acceptable

unacceptable

Is the following sentence linguistically acceptable?
Paula trimmed the bush.
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
Mary's happy with her work, and John's with his children.
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
A pilot must be flying this plane.
OPTIONS:
- unacceptable
- acceptable
acceptable