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'.

Q: What do you believe that iron is to be a fact well known to virtually everybody?

A: 0
****
Q: The one whose I stole bike was John's.

A: 0
****
Q: Ellen and Helen talked.

A:
1
****