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: Boeing's board is also expected to decide at its December meeting whether to offer the airplane for sale to airlines. Sentence 2: It is widely expected to give Bair formal approval to offer the plane for sale to airlines.
[EX A]: 2

[EX Q]: Sentence 1: Five alternate jurors were also chosen, with a final one set to be selected Friday morning from the panel. Sentence 2: Five alternate jurors also were selected, with a sixth alternate to be picked on Friday.
[EX A]: 5

[EX Q]: Sentence 1: A number below 50 suggests contraction in the manufacturing sector, while a number above that indicates expansion. Sentence 2: A reading above 50 suggests growth in the sector, while a number below that level indicates contraction.
[EX A]:
5