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: The hiker will reach the top of the mountain for an hour.

A: 0
****
Q: The curtain which Fred tore in rolling up was the kind gift of my maternal Aunt Priscilla.

A: 1
****
Q: Mary dates exactly two of the men who know a producer I like.

A:
1
****