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: If it wasn't a life, then it would not be able to be born. Sentence 2: If it wasn't alive, then it would miscarriage on it's own.

Output: 3


Input: Consider Input: Sentence 1: Allegiant shares rose $4, or $17.2 percent, to $27.43 in Thursday morning trading on the Nasdaq Stock Market. Sentence 2: Allegiant's stock closed Wednesday at $23.40, up 64 cents, in trading on the Nasdaq market.

Output: 2


Input: Consider Input: Sentence 1: General Jeffrey said he would donate his military pension to charity for the period he was in office at Yarralumla. Sentence 2: Maj-Gen Jeffery said he would give his military pension to charity while he served at Yarralumla.


Output: 5