Can we draw the following hypothesis from the context (see options)? 

Context:

How to get the correct posture in ballet<br>Gain knowledge about the types of ballet. [substeps] Choose the hand of your choice. With the palm of that hand facing the floor, place it in the space beneath the middle of you back, but above your tailbone.

Hypothesis: Correct posture cannot be obtained by a layman.
pick from the following. [+] Yes. [+] It's impossible to say. [+] No.