I have no idea how I managed to do it, but I got into a situation where
spoilers
the dancers didn't stop me from asking further questions, and kept asking me their last question. If it helps at all, I kept answering the same way, second option then third option, but I don't think that's the culprit, considering I've already done that before without this happening. Once I got bored and finally left after dancing with them, I immediately transformed to the final stage, which was kinda hilarious but didn't help my confusion any.Haven’t been able to replicate it since, though.