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 man holds on to a handle in the water. Sentence 2: A man is holding onto handles in the air.

SOLUTION: 3

PROBLEM: Sentence 1: A woman holding a small baby. Sentence 2: A smiling woman holding a small baby.

SOLUTION: 4

PROBLEM: Sentence 1: A train sitting on the tracks near a field. Sentence 2: A train traveling down the tracks.

SOLUTION:
2