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 woman is feeding an aardvark. Sentence 2: A woman is chopping up garlic.
[EX A]: 0

[EX Q]: Sentence 1: Egypt votes in new constitution Sentence 2: Egyptians Vote On New Constitution
[EX A]: 5

[EX Q]: Sentence 1: Russian coal mines seek new outlets in China Sentence 2: Russian foreign minister to meet UN chief
[EX A]:
0