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: Philippines defers comment on Taiwan fisher attack Sentence 2: Bin Laden's continuing sway shown in Kenya mall attack

Output: 0


Input: Consider Input: Sentence 1: A women sitting in a chair at Christmas holding make up. Sentence 2: A train sitting on the tracks in a train yard.

Output: 0


Input: Consider Input: Sentence 1: helmand province is the world's largest producer of opium. Sentence 2: the areva group is the world's largest nuclear engineering firm.


Output: 0