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.
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Question: Sentence 1: Someoen is cooking onions. Sentence 2: A man is swinging nunchucks.

Answer: 0


Question: Sentence 1: Two girls are sitting in front of a statue. Sentence 2: Two blonde girls are sitting next to a statue

Answer: 4


Question: Sentence 1: Protest against US drone strikes in Pak postponed Sentence 2: 6 killed in U.S. drone strike in NW Pakistan

Answer:
1