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: Two dogs swim in a pool. Sentence 2: Dogs are swimming in a pool.

SOLUTION: 4

PROBLEM: Sentence 1: Train in a station. Sentence 2: Trains inside an indoor station.

SOLUTION: 4

PROBLEM: Sentence 1: Those are partial psychopaths. Sentence 2: Was Ted Bundy a partial psychopath?

SOLUTION:
2