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.

Example Input: Sentence 1: Some children are raising their hands and clapping. Sentence 2: Three children are playing soccer in the sand.
Example Output: 0

Example Input: Sentence 1: The man is putting chicken into the container. Sentence 2: A man is putting foods in a box.
Example Output: 2

Example Input: Sentence 1: A young boy is standing on a gray tiled area. Sentence 2: A young boy is practicing his karate in a gym.
Example Output:
1