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.

Q: Sentence 1: . Sinful people do not get to heaven. Sentence 2: Or sin is removed upon entry to heaven.

A: 2
****
Q: Sentence 1: Little white dog wearing a leash jumping after a red ball. Sentence 2: A black and white dog returns a stick in the snow.

A: 1
****
Q: Sentence 1: China's new PM rejects US hacking claims Sentence 2: China Premier Li rejects 'groundless' US hacking accusations

A:
5
****