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.

Choose your answer: based on the paragraph above can we conclude that "The instructions in this context are helpful"?

Available options:
 A). Yes.
 B). It's impossible to say.
 C). No.
I think the answer is
B).