How similar are the following two sentences?

Air Canada, the largest airline in Canada and No. 11 in the world, has been under court protection from creditors since April 1.
The No. 11 airline in the world, Air Canada has been under court protection from creditors since April 1.

Give the answer on a scale from 0 - 5, where 0 is "not similar at all" and 5 is "means the same thing".
4