exerciseModelClassID|exercise2.choice.ChoiceExerciseModel
submissionModelClassID|exercise2.choice.ChoiceSubmissionModel
solutionModelClassID|exercise2.choice.ChoiceSolutionModel
exerciseBodyClassID|exercise2.choice.ChoiceBody
prompt|If dialing doesn't guarantee that the phone call went through, then in which of these senses does it "cause" the phone call to go through?  Check ALL that apply.
type|1
numChoices|5
choice_0|You must dial in order to get the phone to ring.
choice_1|Dialing is usually responsible for the phone dialed ringing.
choice_2|Dialing always results in the phone dialed ringing.
choice_3|Dialing occasionally results in the phone dialed ringing.
choice_4|None of the above.
answer_0|true
answer_1|true
answer_2|false
answer_3|true
answer_4|false