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: Brian Brabazon said his son would get upset but then turn around and befriend his taunters. Sentence 2: Her son would get upset, his mom said, but then turn around and befriend his taunters.

SOLUTION: 3

PROBLEM: Sentence 1: a woman with a viking hat on. Sentence 2: Smiling woman sitting wearing a viking hat.

SOLUTION: 4

PROBLEM: Sentence 1: The Human Element You could sign Lance Berkman at the end of the year I guess? Sentence 2: You could sign Lance Berkman at the end of the year I guess?

SOLUTION:
4