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.

[Q]: Sentence 1: A gray cat with green eyes looks at the camera. Sentence 2: A grey cat with green eyes looking into the camera.
[A]: 5


[Q]: Sentence 1: A woman is riding an elephant. Sentence 2: A man is lifting himself.
[A]: 0


[Q]: Sentence 1: A young girl is sitting on Santa's lap. Sentence 2: A little girl is sitting on Santa's lap
[A]:
5