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 monkey is walking through the water. Sentence 2: A guy is playing a trumpet.

A: 0
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Q: Sentence 1: Shares of SCO closed at $10.93, down 28 cents, in Monday trading on the Nasdaq Stock Market. Sentence 2: IBM shares closed up $1.75, or 2.11 percent, at $84.50 on the New York Stock Exchange.

A: 1
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Q: Sentence 1: indian troops already fighting rebels in kashmir are now engaged in a massive campaign to destroy poppy crops in the region. Sentence 2: indian troops already fighting rebels are now also engaged in a massive operation to destroy poppy crops in kashmir.

A:
5
****