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: Little white dog wearing a leash jumping after a red ball. Sentence 2: A black and white dog returns a stick in the snow.
[EX A]: 1

[EX Q]: Sentence 1: Meat is dropped into a pan. Sentence 2: A woman is putting meat in a pan.
[EX A]: 3

[EX Q]: Sentence 1: A train is running on the tracks. Sentence 2: A train is running down the track in a rural area.
[EX A]:
4