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.

Sentence 1: A man is cutting a snake to cook. Sentence 2: A woman is cutting meat.
2

Sentence 1: A lady dressed in a kimono is looking at the camera. Sentence 2: Two girls dressed in black are sitting in a room making suggestive poses at the camera.
1

Sentence 1: A man in red and black is hitting a soccer ball with his head. Sentence 2: A man in a red striped soccer shirt heads a ball.

4