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 white bus with the word Julia is near water and a big ship. Sentence 2: A white bus with water and a barge in the background.

Output: 4


Input: Consider Input: Sentence 1: a man walks two dogs on leashes down the street Sentence 2: A man walks two dogs in the city.

Output: 4


Input: Consider Input: Sentence 1: Two buses parked on a street. Sentence 2: Yellow scooter parked in an alley way.


Output: 0