Board Thread:General Discussion/@comment-31916334-20150124160932/@comment-26973802-20150610204325

On London Party, talk to Birdo whenever she appears. Sometimes she may initiate the quiz as a bonus game. Once you play an event in London Party it becomes available to play in "Mission Select" (a subsection of London Party where you can play any bonus game whenever you want), so you can keep doing that quiz until you find the answer. Might take a while to find it but it is there