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 black dog is biting a light brown dogs ear in a playful manner. Sentence 2: A black dog playfully bits another dog in a living room setting

SOLUTION: 4

PROBLEM: Sentence 1: A man and woman is riding in a car. Sentence 2: A woman is frying shrimp.

SOLUTION: 0

PROBLEM: Sentence 1: Police: Four killed in German hostage taking incident Sentence 2: Palestinians: 12 killed in IDF strike in northern Strip

SOLUTION:
1