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: I oppose the death penalty. Sentence 2: This is why I support the death penalty.
[A]: 1


[Q]: Sentence 1: The pill, which they call the "polypill," would contain aspirin, a cholesterol-lowering drug, three blood pressure-lowering drugs at half the standard dose and folic acid. Sentence 2: The ingredients of such a polypill would contain aspirin, a cholesterol-lowering statin, three blood pressure-lowering agents in half dose, and folic acid.
[A]: 5


[Q]: Sentence 1: A little bird floating in the water. Sentence 2: A duck floating in the water.
[A]:
2