Make the choice statement more useful.

You can use expressions in place of question text:
    choice [ get_some_string() + "?" ]:
Ask the question as an actor:
    actor lisa: "Lisa"
    choice "Question?" as lisa:
Show certain choices conditionally:
    [ flag = 0 ]
    choice "Question?":
        "Yes": ...
        "No": ...
        "Maybe" if [ flag ]: ...