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 tree changed from a maple into an oak.

SOLUTION: 1

PROBLEM: We would prefer John to be the candidate.

SOLUTION: 1

PROBLEM: Martha carved the baby some wood into a toy.

SOLUTION:
0