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 black and white photo of a cat lying down. Sentence 2: A black and white image of a cat laying on a rug.
[EX A]: 4

[EX Q]: Sentence 1: A small monkey walks through water. Sentence 2: A monkey is wading across a marsh.
[EX A]:
3