Sentence: John must do not have eaten.
OPTIONS:
- unacceptable
- acceptable

Linguistic integrity: unacceptable


Sentence: It was the policeman that met several young students in the park last night.
OPTIONS:
- unacceptable
- acceptable

Linguistic integrity: acceptable


Sentence: Fred saw a spaceship in the linguistics lounge?
OPTIONS:
- unacceptable
- acceptable


Linguistic integrity: acceptable