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: A woman is frying a food. Sentence 2: A woman is deep frying food.
Example Output: 4

Example Input: Sentence 1: a cyclist is making his bike jump between two rocks. Sentence 2: A man jumps his bicycle in the air between two rocks.
Example Output: 4

Example Input: Sentence 1: General Myers told reporters that "at first blush, it doesn't look like any rules were broken". Sentence 2: At first blush, it doesn't look like any rules were broken, said Gen. Richard Myers, chairman of the Joint Chiefs of Staff.
Example Output:
4