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: A group of people sitting around a desk. Sentence 2: A group of girls on a beach.

SOLUTION: 1

PROBLEM: Sentence 1: A black and white dog looking at the camera. Sentence 2: A small black and white goat in a pen looking up at the camera.

SOLUTION: 1

PROBLEM: Sentence 1: Colgate shares closed Monday at $56.30 on the New York Stock Exchange. Sentence 2: Colgate shares were down 30 cents at $56 in morning trade on the New York Stock Exchange.

SOLUTION:
2