Those who do n't pass this training will have to give up their jetpack . Fortunately they 'll get their money back . Each jetpack is equipped with a ballistic parachute , and though it 's more dangerous than most other current flying options , Glenn Martin hopes to sell between 10 and 20 devices by this time next year .

Question: What may happen if you do n't pass your training ?
Answer: I would n't be able to keep my equipment .None of the above choices .You 'd have to choose other flying options .You would be given a ballistic parachute .