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: That exploit works on unpatched Windows 2000 machines with Service Pack 3 and 4. Sentence 2: Both Counterpane and iDefense contend that the exploit works effectively against Windows 2000 systems running Service Pack 3 and 4.

SOLUTION: 3

PROBLEM: Sentence 1: The woman is peeling shrimp. Sentence 2: The man is holding a lemur.

SOLUTION: 0

PROBLEM: Sentence 1: Myanmar’s Suu Kyi urges party unity amid squabbles Sentence 2: Suu Kyi urges party unity amid squabbles

SOLUTION:
5