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.

[EX Q]: Sentence 1: Cisco executives said they were encouraged by $1.3 billion in cash flow and the increase in net income, but hoped for a rebound. Sentence 2: Cisco executives were encouraged by $1.3 billion in cash flow and the increase in net income, but said they remained ``cautiously optimistic'' about a rebound.
[EX A]: 5

[EX 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.
[EX A]: 2

[EX Q]: Sentence 1: Obama and Romney focus on swing-states Sentence 2: Team Anna yet to decide on contesting state polls
[EX A]:
0