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.

Ex Input:
Sentence 1: Some believe the 'right' is most important. Sentence 2: Some believe not slaughtering the unborn is most important.

Ex Output:
1


Ex Input:
Sentence 1: A black dog is biting a light brown dogs ear in a playful manner. Sentence 2: A black dog playfully bits another dog in a living room setting

Ex Output:
4


Ex Input:
Sentence 1: Sevens World Cup within Kenya‚Äôs reach Sentence 2: Clash of Styles in Court Opens Trial in Young Man‚Äôs Death

Ex Output:

0