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:
This guitar, I've sung folk songs and accompanied myself on it all my life.
answer:
1


question:
John and Mary met in Vienna.
answer:
1


question:
The person who in came at that moment was Aunt Norris.
answer:

0