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 girl is styling her hair. Sentence 2: A girl is filing her nails.
[EX A]: 1

[EX Q]: Sentence 1: A person is slicing onions. Sentence 2: A person is peeling an onion.
[EX A]: 3

[EX Q]: Sentence 1: A black and white chair sitting in front of a brick wall and a window with a bamboo plant in a vase. Sentence 2: A black headed sheep covered in thick white wool stands in a pasture with other sheep.
[EX A]:
1