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: A woman rides a horse. Sentence 2: A woman is riding a horse.

Output: 5


Input: Consider Input: Sentence 1: Wells’ other series include NBC’s ER and Third Watch. Sentence 2: Wells' other series include NBC's "ER" and "Third Watch."

Output: 5


Input: Consider Input: Sentence 1: The euro <EUR=> was up 0.67 percent against the dollar at $1.1784 after rising to a three-month high earlier in the session above $1.18. Sentence 2: In early U.S. trading, the euro <EUR=> was down 0.6 percent to $1.1741, after rising to a four-month high of $1.1860.


Output: 2