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'.

Example Input: We loaded onto the bus.
Example Output: 1

Example Input: Emily showed himself Benjamin in the mirror.
Example Output: 0

Example Input: Here is the snowball which I chased the boy who threw at our teacher.
Example Output:
0