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: Train in a station. Sentence 2: Trains inside an indoor station.

Output: 4


Input: Consider Input: Sentence 1: For the year, it expects sales of $94 million and a profit of 26 cents a share from continuing operations. Sentence 2: This is an increase from the $22.5 million and 5 cents a share previously forecast.

Output: 1


Input: Consider Input: Sentence 1: The lady sliced a tomatoe. Sentence 2: Someone is cutting a tomato.


Output: 4