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: in  Foxe basin was frozen. Sentence 2: Foxe was mostly frozen.
4

Sentence 1: A man is taking out the insides of a green pepper. Sentence 2: Someone is removing the seeds from a bell pepper.
4

Sentence 1: Jesse Jackson Jr. and wife to plead guilty to fraud Sentence 2: Jesse Jackson Jr., Wife to Plead Guilty to Fraud

5