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.

[Q]: Sentence 1: Ha, ha, ha, ha, ha, ha! Sentence 2: Ah ha, ha, ha, ha, ha!
[A]: 5


[Q]: Sentence 1: Seniors would then have to pay 50 percent of their drug costs up to $3,450. Sentence 2: Above that, Medicare would pay 90 percent of all drug costs.
[A]: 2


[Q]: Sentence 1: A woman is cutting a tomato. Sentence 2: A woman is slicing a potato.
[A]:
1