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: Obama moves to fill Fed board, taps Fischer to be No. 2 Sentence 2: Obama voices willingness to talk with GOP on budget

Output: 0


Input: Consider Input: Sentence 1: any woman that wants birth control can get it. Sentence 2: Any woman that wants and abortion can get one.

Output: 2


Input: Consider Input: Sentence 1: Men are running a race. Sentence 2: Racers are running down a track.


Output: 3