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.

[EX Q]: 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
[EX A]: 4

[EX Q]: Sentence 1: The skinny cows are standing on the grass. Sentence 2: The white ducks are standing on the ground.
[EX A]: 1

[EX Q]: Sentence 1: A man is talking with a woman. Sentence 2: A woman is walking with a dog.
[EX A]:
0