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: The broader Standard & Poor's 500 Index .SPX was down 0.04 points, or 0 percent, at 971.52. Sentence 2: Standard & Poor's 500 stock index futures for June were down 2.60 points at 965.70, while Nasdaq futures were down 7.50 points at 1,183.50.

Answer: 2


Question: Sentence 1: The headlights on a blue car. Sentence 2: Close up of the headlights on a blue car.

Answer: 4


Question: Sentence 1: A boy is playing an instrument. Sentence 2: A man is playing a trumpet.

Answer:
2