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: Spain asks for bank rescue Sentence 2: Spaniard on trial for Cuban dissident’s death

SOLUTION: 0

PROBLEM: Sentence 1: Clinton lands in India to breathe life into ties Sentence 2: Clinton Warns Against Undermining Grameen Bank

SOLUTION: 1

PROBLEM: Sentence 1: Large black and white cat resting on a windowsill. Sentence 2: A small white cat sitting in a sink.

SOLUTION:
2