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: Cleveland Kidnapper Ariel Castro Found Hanged in Prison Cell Sentence 2: Cleveland kidnapper Ariel Castro found hanging in his cell
[EX A]: 5

[EX Q]: Sentence 1: A white cat standing on a carpet. Sentence 2: A sheep standing in a forest.
[EX A]: 0

[EX Q]: Sentence 1: A black and white photo of a dilapidated wooden fence. Sentence 2: A black and white photo of an old wooden fence near a dirty street.
[EX A]:
4