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'.

Ex Input:
John tried.

Ex Output:
1

Ex Input:
The one whose I stole bike was John's.

Ex Output:
0

Ex Input:
In this experiment, fourteen variables must be kept track of simultaneously.

Ex Output:
1