instruction: Is the next sentence syntactically and semantically acceptable?

The gardener planted roses in the garden.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Terry touched the cat.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

At most three boys didn't see anything.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

This guitar, I've sung folk songs and accompanied myself on it all my life.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable