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 dog emerges form the water with a stick in its mouth. Sentence 2: A dog runs toward the camera with a stick in its mouth.

Output: 2


Input: Consider Input: Sentence 1: Two foxes are eating from a plate on a brick patio. Sentence 2: Foxes are eating from a plate.

Output: 3


Input: Consider Input: Sentence 1: Declining issues outnumbered advancers nearly 2 to 1 on the New York Stock Exchange. Sentence 2: Advancers outnumbered decliners by nearly 8 to 3 on the NYSE and more than 11 to 5 on Nasdaq.


Output: 2