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: myanmar was formerly known as burma. Sentence 2: myanmar was formerly called burma.
[EX A]: 5

[EX Q]: Sentence 1: The man is putting chicken into the container. Sentence 2: A man is putting foods in a box.
[EX A]: 2

[EX Q]: Sentence 1: Britain reaches out to Syria opposition Sentence 2: Who cares about the Syrian people?
[EX A]:
1