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 bird lands in the water. Sentence 2: a boat floats in the water.

Output: 1


Input: Consider Input: Sentence 1: Boy with glasses typing on a computer. Sentence 2: A boy looking at a computer screen.

Output: 3


Input: Consider Input: Sentence 1: Oracle shares fell 27 cents, or 2 percent, to $13.09. Sentence 2: Oracle shares also rose on the news, up 15 cents to $13.51 on the Nasdaq.


Output: 2