Q: Valid English sentence (grammatically) or not: John heard Mary describe himself.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: The commuters travelled by army lorry because the bus drivers were on strike.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: During the early evening, Saturn can be found in the north, while Jupiter rises in the east.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable