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: The military officer barked at the recruits. Sentence 2: An officer is talking to recruits.

Output: 2


Input: Consider Input: Sentence 1: A person wearing a helmet rides a bike near a white structure. Sentence 2: A person wearing a bike helmet rides a bike on a path through trees.

Output: 3


Input: Consider Input: Sentence 1: A women laying across two men sitting on a sofa. Sentence 2: A man and two women smiling at the camera while sitting on a blue sofa.


Output: 2