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: Cleveland Kidnapper Ariel Castro Found Hanged in Prison Cell Sentence 2: Cleveland kidnapper Ariel Castro found hanging in his cell

Answer: 5


Question: Sentence 1: A man is cutting tomatoes into pieces. Sentence 2: A woman is cutting some vegetables.

Answer: 2


Question: Sentence 1: After 26 hours of surgery and a year of anticipation, the boys were separated Sunday at Children's Medical Center of Dallas. Sentence 2: Two-year-old Egyptian twin boys, born with their heads conjoined, have been separated after 26 hours of surgery at the Children's Medical Centre in Dallas.

Answer:
3