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.

Input: Consider Input: Sentence 1: A black and brown dog runs through the woods. Sentence 2: A dog running through the woods.

Output: 4


Input: Consider Input: Sentence 1: A woman holding a small baby. Sentence 2: A smiling woman holding a small baby.

Output: 4


Input: Consider Input: Sentence 1: A large black bird is sitting in the water. Sentence 2: The birds are swimming in the water.


Output: 3