instruction: Is the next sentence syntactically and semantically acceptable?

The chicken has eaten.

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Near everyone Angleton did, Dulles stood.

response: unacceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Anson shot the dinosaur with his rifle in the jungle

response: acceptable


instruction: Is the next sentence syntactically and semantically acceptable?

Fred must have been singing songs and probably was drinking beer.

response:
acceptable