instruction: Is the next sentence syntactically and semantically acceptable?

Ron captured quickly a phoenix
OPTIONS:
- unacceptable
- acceptable

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Mary didn't pick any of the flowers.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

I doubt you can help me in understanding this.
OPTIONS:
- unacceptable
- acceptable

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Phineas knows a girl who is jealous of Maxime.
OPTIONS:
- unacceptable
- acceptable

response:
acceptable