TASK DEFINITION: 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'.
PROBLEM: The electric main joins the house circuit in the basement.

SOLUTION: 1

PROBLEM: Roses flowered in the garden.

SOLUTION: 1

PROBLEM: Who do you think that Mary said that John likes?

SOLUTION:
1