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: He told the jury Stubbs is a "cold, calculating killer." Sentence 2: District Attorney Dave Lupas reminded jurors that Stubbs is, "a cold, calculating killer".

A: 3
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Q: Sentence 1: It's going to happen, said Jim Santangelo, president of the Teamsters Joint Council 42 in El Monte. Sentence 2: That really affects the companies, big time, said Jim Santangelo, president of the Teamsters Joint Council 42 in El Monte.

A: 2
****
Q: Sentence 1: -Not- talking about it 'and' -Not- doing anything. Sentence 2: is even worse than talking about it and not doing anything.

A:
3
****