instruction: Is the next sentence syntactically and semantically acceptable?

The captain named the ship as Seafarer.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

There are two main characters in the novel.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

They stood the statue on the pedestal.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mary has more than two friends.

response:
acceptable