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 young boy is holding a guitar. Sentence 2: A little boy is playing a guitar.

Output: 3


Input: Consider Input: Sentence 1: Meat is dropped into a pan. Sentence 2: A woman is putting meat in a pan.

Output: 3


Input: Consider Input: Sentence 1: The Nasdaq composite index added 30.46 points, or 2 percent, to 1,520.15. Sentence 2: The Nasdaq had a weekly gain of 17.27, or 1.2 percent, closing at 1,520.15 after gaining 30.46 yesterday.


Output: 2