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: Man standing on top of jagged rocks near the ocean. Sentence 2: A man is standing on top of rocks overlooking the ocean.

A: 5
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Q: Sentence 1: A man sharpens a pencil using a knife. Sentence 2: A woman is dancing in the rain.

A: 0
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Q: Sentence 1: UN envoy in Turkey for talks on Syria Sentence 2: NZ to increase exports to China

A:
0
****