Directions: Analyse the statements given and choose an appropriate answer for the question that follows:

Test takers who want to reappear in various exams should take training from someone who himself has appeared in the retakes at some point in his life. A trainer who has not failed once cannot impart quality skills to the student who has failed. Therefore, the coaching establishments should make sure they hire a bunch of teachers who have themselves taken retakes of various exams.

The above argument rests on the assumption that