instruction: Is the next sentence syntactically and semantically acceptable?

Seems John to fix the computer.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The tree gradually dropped its fruit to the ground.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Julie felt hot

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

David ate mangoes and Raffi should too.

response:
acceptable