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: A young man and woman sitting on a bench outside are kissing. Sentence 2: The man and woman sitting on a bench are kissing.
[EX A]: 5

[EX Q]: Sentence 1: Lebanon's PM forms 'unity cabinet' Lebanon's prime minister has formed a cabinet more than 10 months after taking office, taking in a wide range of political groups after bridging serious divisions am Sentence 2: BEIRUT: Lebanon's prime minister formed a cabinet more than 10 months after taking office yesterday, including a wide range of political groups after bridging serious divisions among them mostly over
[EX A]: 5

[EX Q]: Sentence 1: A man is riding a mechanical bull. Sentence 2: A man rode a mechanical bull.
[EX A]:
4