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 small plane parked at an airfield with a cloudy sky overhead. Sentence 2: A small white plane parked in an airport on a cloudy day.

SOLUTION: 5

PROBLEM: Sentence 1: Three women are dancing. Sentence 2: The man is dancing.

SOLUTION: 2

PROBLEM: Sentence 1: .Nazi is a slang term for the NSWP. Sentence 2: Originally Posted by Odins eye .Nazi is a slang term for the NSWP.

SOLUTION:
5