exerciseModelClassID|exercise2.choice.ChoiceExerciseModel
submissionModelClassID|exercise2.choice.ChoiceSubmissionModel
solutionModelClassID|exercise2.choice.ChoiceSolutionModel
exerciseBodyClassID|exercise2.choice.ChoiceBody
prompt|Did dialing the phone ALWAYS result in the phone you dialed ringing?
type|0
numChoices|2
choice_0|Yes
choice_1|No
answer_0|false
answer_1|true