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: Two young women shear a sheep. Sentence 2: Two women sheering a sheep.
[EX A]: 4

[EX Q]: Sentence 1: A woman is speaking in sign language. Sentence 2: A woman spices some seafood.
[EX A]: 1

[EX Q]: Sentence 1: A blue and orange airplane flying with its landing gear down. Sentence 2: A red and blue plane flying with its landing gears down.
[EX A]:
3