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: A young child rides a horse. Sentence 2: The little girl rode a horse.

Answer: 3


Question: Sentence 1: The men are playing cricket. Sentence 2: The men are playing basketball.

Answer: 2


Question: Sentence 1: south korea and israel oppose proliferation of weapons of mass destruction and an arms race. Sentence 2: china will resolutely oppose the proliferation of mass destructive weapons.

Answer:
1