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 white dog with red ears is running in the snow. Sentence 2: a wet black dog with a red collar is in the river
[A]: 1


[Q]: Sentence 1: A man is riding a skateboard. Sentence 2: A woman is cutting a potato.
[A]: 0


[Q]: Sentence 1: Obama's poll rating drops in boost for Republican rivals Sentence 2: Obama's big Hispanic win worries Republicans
[A]:
1