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: amnesty international is a rights group based in london. Sentence 2: the international institute for strategic studies is located in london.

SOLUTION: 1

PROBLEM: Sentence 1: The gloves are off, said UNIFI official Rob O'Neill. Sentence 2: Unifi official Rob O'Neill said: "The gloves are off.

SOLUTION: 5

PROBLEM: Sentence 1: Mom busted in and said, "What's that noise?" Sentence 2: My kids busted in and said 'whats that Dad?'

SOLUTION:
2