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: A group of youngsters swim in lake water Sentence 2: Many children are playing and swimming in the water.
[A]: 4


[Q]: Sentence 1: PURE COMMUNISM: You have two cows. Sentence 2: LIBERTARIAN/ANARCHO-CAPITALISM: You have two cows.
[A]: 2


[Q]: Sentence 1: Two dogs swim in a pool. Sentence 2: Dogs are swimming in a pool.
[A]:
4