TASK DEFINITION: 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.
PROBLEM: Sentence 1: A woman is speaking in sign language. Sentence 2: A woman spices some seafood.

SOLUTION: 1

PROBLEM: Sentence 1: During the same quarter last year, EDS declared a profit of $354 million, or 72 cents per share. Sentence 2: EDS reported a first-quarter loss of $126 million, or 26 cents per share.

SOLUTION: 2

PROBLEM: Sentence 1: They found molecules that can only be produced when ozone breaks down cholesterol. Sentence 2: And all of the samples contained molecules that can only be produced when cholesterol interacts with ozone.

SOLUTION:
4