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 Q]: Sentence 1: A softball player swinging at a pitch. Sentence 2: A baseball player hitting the ball
[EX A]: 3

[EX Q]: Sentence 1: A little boy clowns with a colander on his head. Sentence 2: A boy with a metal colander on his head.
[EX A]: 4

[EX Q]: Sentence 1: Mali's President Hands in Resignation Sentence 2: Mali's President Formally Resigns
[EX A]:
5