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: Glover spoke at a news conference that included about 20 relatives of the victims. Sentence 2: About 20 family members of the victims were invited to the news conference.
[EX A]: 3

[EX Q]: Sentence 1: Two people sailing a small white sail boat. Sentence 2: Couple sailing in a small sailboat.
[EX A]: 4

[EX Q]: Sentence 1: three little boys cover themselves with bubbles. Sentence 2: Three children standing by a pool are covered in foam bubbles.
[EX A]:
4