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.

Ex Input:
Sentence 1: Martin said, "Why are you following me?" Sentence 2: Zimmerman replied, "What are you doing here?"

Ex Output:
1


Ex Input:
Sentence 1: A little girl walks on a boardwalk with blue domes in the background. Sentence 2: A man going over a jump on his bike with a river in the background

Ex Output:
0


Ex Input:
Sentence 1: Ukraine hosts ‚Äėunity talks‚Äô Sentence 2: Pope hits out at ‚Äėwar to sell arms‚Äô in Syria

Ex Output:

0