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 man in a blue cap is sitting on a stool under a tree. Sentence 2: A dog standing on a beach with a ball nearby.
[EX A]: 0

[EX Q]: Sentence 1: A small black dog is in the grass. Sentence 2: A black dog is running in the grass.
[EX A]: 4

[EX Q]: Sentence 1: A man is swinging on a rope above the water. Sentence 2: A man in warm clothes swinging on monkey bars at night.
[EX A]:
2