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: Italy soldiers die in Afghanistan Sentence 2: Two UK Soldiers Killed In Afghanistan
[EX A]: 1

[EX Q]: Sentence 1: Man riding a bicycle down a narrow path. Sentence 2: A man riding a unicycle down a paved road
[EX A]: 3

[EX Q]: Sentence 1: A brown and white dog is walking next to a man on a skateboard. Sentence 2: A blond child is laying on a branch of a tree in a green field.
[EX A]:
0