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.
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Question: Sentence 1: Close-up of a hummingbird. Sentence 2: A closeup of a hummingbird flying.

Answer: 4


Question: Sentence 1: A grey cat with green eyes looking into the camera. Sentence 2: A grey, black, and white cat looking at the camera.

Answer: 3


Question: Sentence 1: A girl bounces upside down on her head on a trampoline. Sentence 2: A girl is bouncing on her head on a trampoline.

Answer:
5