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 girl in orange lights a candle. Sentence 2: A girl in an orange shirt lights candles.

Output: 4


Input: Consider Input: Sentence 1: The skinny cows are standing on the grass. Sentence 2: The white ducks are standing on the ground.

Output: 1


Input: Consider Input: Sentence 1: A man in a gray suit locking up a bicycle Sentence 2: A man and a woman standing on a city street.


Output: 0