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 Q]: Sentence 1: A white dog with red ears is running in the snow. Sentence 2: a wet black dog with a red collar is in the river
[EX A]: 1

[EX Q]: Sentence 1: A man is cutting a paper. Sentence 2: A person is tearing paper.
[EX A]: 3

[EX Q]: Sentence 1: Italian parliament backs new PM Sentence 2: Train Derailment Kills 4 in New York
[EX A]:
0