instruction: Is the next sentence syntactically and semantically acceptable?

I wrote a letter to Blair, but I tore it up before I sent it.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The trolley rumbled through the tunnel.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

They've got it made.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The writers could so believe the boy.

response:
acceptable