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: Man standing on top of jagged rocks near the ocean. Sentence 2: A man is standing on top of rocks overlooking the ocean.
[EX A]: 5

[EX Q]: Sentence 1: Chris Froome rides to Tour de France endgame Sentence 2: Chris Brown concerts cancelled new
[EX A]: 0

[EX Q]: Sentence 1: A car backs out of a space. Sentence 2: A car is backing out of a blocked lane.
[EX A]:
3