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 black and white image of a cat laying on a rug. Sentence 2: Black and white picture of a cat laying on a rug.

SOLUTION: 5

PROBLEM: Sentence 1: Two men compete in a tire rolling race. Sentence 2: Two people flipped tractor tires in a race.

SOLUTION: 3

PROBLEM: Sentence 1: A baby holds a ketchup packet. Sentence 2: A baby in a highchair holds a ketchup packet.

SOLUTION:
4