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: Taliban pose as 'attractive women, on Facebook for spying Sentence 2: Taliban soldiers posing as pretty women on Facebook to get troops' secrets
[EX A]: 5

[EX Q]: Sentence 1: A dog is running along the grass. Sentence 2: A brown dog is running in the grass.
[EX A]: 4

[EX Q]: Sentence 1: The onus is on the manufacturer of a product to convince consumers it is safe. Sentence 2: The manufacturer has to convince the government it's safe.
[EX A]:
3