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: I think he'd be better for American business interests overall. Sentence 2: Would he be better for American society?

SOLUTION: 2

PROBLEM: Sentence 1: There is no war in the Middle east. Sentence 2: There is no "WAR" in the middle east.

SOLUTION: 5

PROBLEM: Sentence 1: iran lies on a major drug route between afghanistan and europe and the persian gulf states. Sentence 2: iran lies on a major drug trafficking route between afghanistan and europe, as well as the persian gulf states.

SOLUTION:
5