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: A plane being readied for take-off. Sentence 2: A small turboprop plane being loaded on the tarmac.

Ex Output:
3


Ex Input:
Sentence 1: Kids play soccer on a field. Sentence 2: Three boys playing soccer in a field

Ex Output:
4


Ex Input:
Sentence 1: Peace talks with Palestinians would take months: Israel official Sentence 2: 3yo Palestinian girl killed in Israeli raid

Ex Output:

0