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.

Q: Sentence 1: A woman rides a horse. Sentence 2: A woman is riding a horse.

A: 5
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Q: Sentence 1: But Adora Obi Nweze, the NAACP state president, said the state only tried to prove its conclusion of suicide, rather than consider the possibility of murder. Sentence 2: Adora Obi Nweze, the NAACP state president, said the state has refused to consider the possibility of murder.

A: 3
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Q: Sentence 1: Martin said, "Why are you following me?" Sentence 2: Zimmerman replied, "What are you doing here?"

A:
1
****