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: Yahoo agrees to buy Tumblr for $1.1 billion cash Sentence 2: Yahoo to Buy Tumblr for $1.1 Billion

Answer: 5


Question: Sentence 1: A man is hugging someone. Sentence 2: A man is taking a picture.

Answer: 0


Question: Sentence 1: 7 killed, 3 injured in south China road accident Sentence 2: 20 killed, 44 injured in Philippine road accident

Answer:
1