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: Russ Britt is the Los Angeles Bureau Chief for CBS.MarketWatch.com. Sentence 2: Emily Church is London bureau chief of CBS.MarketWatch.com.
[EX A]: 2

[EX Q]: Sentence 1: The headlights on a blue car. Sentence 2: Close up of the headlights on a blue car.
[EX A]: 4

[EX Q]: Sentence 1: Children are playing in a swimming pool while two adult men watch them. Sentence 2: Children play in a pool while adults look on.
[EX A]:
5