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.

Sentence 1: The UK population is just over  million. Sentence 2: The Japanese population is nearly  million.
1

Sentence 1: Boy with glasses typing on a computer. Sentence 2: A boy looking at a computer screen.
3

Sentence 1: French raid wine cellar for austerity auction Sentence 2: US praises Ukraine deal; calls for concrete action

0