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: Passed in 1999 but never put into effect, the law would have made it illegal for bar and restaurant patrons to light up. Sentence 2: Passed in 1999 but never put into effect, the smoking law would have prevented bar and restaurant patrons from lighting up, but exempted private clubs from the regulation.

SOLUTION: 3

PROBLEM: Sentence 1: A dog is running along the grass. Sentence 2: A brown dog is running in the grass.

SOLUTION: 4

PROBLEM: Sentence 1: Prosecutor Jim Hardin called the decision a victory for Kathleen Peterson's family. Sentence 2: Members of Kathleen Peterson's family were not present.

SOLUTION:
1