instruction:
You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.
question:
Kim considered joining the navy, but I never considered.
answer:
0

question:
The tree changed from a maple into an oak.
answer:
1

question:
I doubt if you can help me in understanding this.
answer:
1