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: NYPD Twitter Outreach Backfires Badly Sentence 2: NYPD's twitter campaign backfires

SOLUTION: 5

PROBLEM: Sentence 1: A boy is crawling into a dog house. Sentence 2: A cat is playing on the floor.

SOLUTION: 0

PROBLEM: Sentence 1: Additionally, the h2210’s cradle has room to charge a second battery. Sentence 2: The cradle for the h2200 has space for recharging a second battery.

SOLUTION:
5