Is the following sentence linguistically acceptable?
John is prouder of having gone than John expected me not to believe he would be.
OPTIONS:
- unacceptable
- acceptable

unacceptable

Is the following sentence linguistically acceptable?
Dave and Alina left.
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
Was the child found?
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
Mary hired someone.
OPTIONS:
- unacceptable
- acceptable
acceptable