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: Someone standing on a snowy mountain, watching a plane. Sentence 2: A man stands on a mountain, watching a plane.

Output: 4


Input: Consider Input: Sentence 1: The puppy played with a blue tennis ball. Sentence 2: A puppy is playing with a tennis ball.

Output: 4


Input: Consider Input: Sentence 1: Two dogs in a fenced kennel look ahead. Sentence 2: Two woman pose in a dining room with a baby.


Output: 0