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 villagers are inadvertently involving themselves in drug trafficking. Sentence 2: 105 inmates are serving sentences for drug trafficking.

Output: 1


Input: Consider Input: Sentence 1: A man drove his car. Sentence 2: A man is driving a car.

Output: 4


Input: Consider Input: Sentence 1: An animal run in circles. Sentence 2: A squirrel runs in circles.


Output: 4