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 man walks two dogs on leashes down the street Sentence 2: A man walks two dogs in the city.
[EX A]: 4

[EX Q]: Sentence 1: Martin said, "Why are you following me?" Sentence 2: Zimmerman replied, "What are you doing here?"
[EX A]: 1

[EX Q]: Sentence 1: A person riding a dirt bike in the outdoors. Sentence 2: A person jumping a motorbike in the air.
[EX A]:
2