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: Sandy taught the children the alphabet, but only got as far as the letter `` r ''.

Answer: 1


Question: You are the only person that I can rely on.

Answer: 0


Question: I have some papers to grade these exams and.

Answer:
0