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: Egypt votes on final day of presidential election Sentence 2: Polls open in France for presidential election
[EX A]: 1

[EX Q]: Sentence 1: Thousands evacuated in Moscow metro fire Sentence 2: Thousands evacuated after fire breaks out in Moscow Metro
[EX A]: 5

[EX Q]: Sentence 1: Man rowing a boat. Sentence 2: a man doing a trick on skateboard
[EX A]:
0