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: 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: She countersued for $125 million, saying Gruner & Jahr broke its contract with her by cutting her out of key editorial decisions. Sentence 2: She countersued for $125 million, saying G+J broke its contract with her by cutting her out of key editorial decisions and manipulated the magazine's financial figures.

Output: 4


Input: Consider Input: Sentence 1: According to the girlfriend and Zimmerman, he did. Sentence 2: According to Zimmerman he did.


Output: 2