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 close-up of a sheep with its tongue hanging out. Sentence 2: Close up image of a sheep with it's tongue hanging out.

SOLUTION: 5

PROBLEM: Sentence 1: Attack on Nato base in Afghanistan kills 15 Sentence 2: Aid workers freed in Afghanistan raid

SOLUTION: 1

PROBLEM: Sentence 1: Two constructions workers sit on a beam taking a break. Sentence 2: The man is putting on his shirt near an elevator.

SOLUTION:
0