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: A dog shaking off water. Sentence 2: A dog shaking water off.
[EX A]: 5

[EX Q]: Sentence 1: If so, state that is why they're not true. Sentence 2: Please, what about them are not true.
[EX A]:
3