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'.

Sandy taught the children the alphabet, but only got as far as the letter `` r ''.
1

Fred threw the ball behind the tree.
1

Jerry wouldn't read a book by Babel, but Meryl has done so and it was pretty good.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
1

