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'.

Why can't the man who usually cuts the grass do so today?
1

The politician denied how the opponent was poisoned.
0

Playing with matches is; lots of fun, but doing, so and emptying gasoline from one can to another at the same time is a sport best reserved for arsons.

1