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 toy train is striking a toy car. Sentence 2: A toy train strikes a toy car.

Output: 5


Input: Consider Input: Sentence 1: A man is taking some math classes. Sentence 2: A man is rinsing a steak.

Output: 0


Input: Consider Input: Sentence 1: A woman is cracking eggs into a bowl. Sentence 2: A woman is placing skewers onto a rack.


Output: 1