1. Choreographies can be discovered using variational methods , and more recently , planar approaches have been used to attempt a classification in the topological case .
2. Choreographies can be discovered using variation methods , and more recently planar approaches have been used to attempt a classification in the topological case .

Select your answer from the options. Are these two sentences paraphrases of each other?
Select from: (A). no. (B). yes....I think the answer is
(B).