This is a case where requirements have been set, descriptions of data types have been set/passed around and when data comes in for importing the boolean field of YES/NO also involves a third option of MAYBE or NOT APPLICABLE.
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Yeah, princess is over there by the vodka but be careful you can never really know her.
Don't worry dude, already learned my lesson. She is a sweetie but no one can have her really, she is uncontrollable.