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: The brown and white dog is walking in shallow waters. Sentence 2: A white and brown dog appears to be walking on the water.

Ex Output:
5


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: Shooter charged with murder of US black teen Sentence 2: Thoughts on race relations under a black president

Ex Output:

1