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.

Q: Sentence 1: The gloves are off, said UNIFI official Rob O'Neill. Sentence 2: Unifi official Rob O'Neill said: "The gloves are off.

A: 5
****
Q: Sentence 1: That's just not how legal briefs are written. Sentence 2: That just isn't how legal reasoning works.

A: 3
****
Q: Sentence 1: Three dogs are running in a field. Sentence 2: Two dogs are running in a grassy field

A:
3
****