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: three little boys cover themselves with bubbles. Sentence 2: Three children standing by a pool are covered in foam bubbles.

A: 4
****
Q: Sentence 1: A woman in a black dress smiles in front of a silver truck. Sentence 2: A girl wearing a black top is smiling with a silver truck in the background.

A:
4
****