Evaluate the similarity between them and classify them into classes from 0-5 as follows:
0 : The two sentences are completely dissimilar.
1 : The two sentences are not equivalent, but are on the same topic.
2 : The two sentences are not equivalent, but share some details.
3 : The two sentences are roughly equivalent, but some important information differs/missing.
4 : The two sentences are mostly equivalent, but some unimportant details differ.
5 : The two sentences are completely equivalent, as they mean the same thing.

Ex Input:
Sentence 1: A man is holding a leaf. Sentence 2: A woman is watching television.

Ex Output:
0


Ex Input:
Sentence 1: A soccer player is kicking the soccer ball into the goal from a long way down the field. Sentence 2: A soccer player kicks the ball into the goal.

Ex Output:
3


Ex Input:
Sentence 1: The seagull is floating on the water. Sentence 2: A little bird floating in the water.

Ex Output:

4