You hear a strange voice. "Wake... wake up..." You wake up. You know that you should not disagree with this disembodied voice. You know that if you are to shut the voice up, you must "press the enter/return button"... whatever THAT means.
If the answer begins and ends with a +, it is positive (yes). If the answer begins and ends with a -, it is negative (no). If the answer begins and ends with a ?, it is neutral (ask again later). Thanks, https://en.wikipedia.org/wiki/Magic_8-Ball#Possible_answers !