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 boy goes down an inflatable slide. Sentence 2: A boy in red slides down an inflatable ride.

SOLUTION: 4

PROBLEM: Sentence 1: A person wearing a helmet rides a bike near a white structure. Sentence 2: A person wearing a bike helmet rides a bike on a path through trees.

SOLUTION: 3

PROBLEM: Sentence 1: Five birds stand on the snow. Sentence 2: Several cardinals stand in the snow.

SOLUTION:
4