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: Algerian priest to lecture about Christian heritage in N. Africa Sentence 2: Telstra applies to list China site in NY

Output: 0


Input: Consider Input: Sentence 1: Two foxes are eating from a plate on a brick patio. Sentence 2: Foxes are eating from a plate.

Output: 3


Input: Consider Input: Sentence 1: It still makes no sense. Sentence 2: It's you who makes no sense.


Output: 1