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: A bird sits in a tree. Sentence 2: A bird sits in a leafless tree.

Ex Output:
4


Ex Input:
Sentence 1: A man is chopping butter into a container. Sentence 2: A woman is cutting shrimps.

Ex Output:
1


Ex Input:
Sentence 1: Landon And So This is Christmas We are all vessels filled with many wonders. Sentence 2: Play With Fire We are all vessels filled with many wonders.

Ex Output:

2