Based on the given context, craft a common-sense question, especially those that are LONG, INTERESTING, and COMPLEX. The goal is to write questions that are easy for humans and hard for AI machines! To create such questions, here are some suggestions: A. What may (or may not) be the plausible reason for an event? B. What may (or may not) happen before (or after, or during) an event? C. What may (or may not) be a plausible fact about someone (or something)? D. What may (or may not) happen if an event happens (or did not happen)? You can also create other types of questions. DO NOT make your question answerable without looking at the context, or question of which the correct answer can be directly extracted from the context. DO NOT ask a question that requires very specialized knowledge that is not common sense. DO NOT ask too simple or too short questions. Your question must be related to the context and answerable with common sense. Try to add more variations and complexity to the questions.

[Q]: Context: After coming back from Worldcon , I decided to wait before making a long post about it , because I was sooo tired . Well , I ' m still tired a week later , so I might as well post . The roadtrip was a blast , as was the con . I had no idea Robert Silverberg was so hilarious ! I also got to see Connie Willis and Joe Haldeman for the first time , who were also quite amusing .
[A]: What may have been your reason for waiting to post about Worldcon ?


[Q]: Context: The worst part is I slept on my stomach in some really weird position with my hands squished up under my ribcage , so I had this awful aching feeling under my chest above my tum tum . This made my morning sit ups totally impossible . I did about five and chucked that idea completely . Needless to say I feel like a big dumpy tub of lard today .
[A]: What may have caused the aching feeling under your chest ?


[Q]: Context: I grinned like an idiot throughout . I looked to have the most friendly / outgoing coordinator , and I answered both questions flawlessly , with some slight babbling about my car . I spoke quickly , as I always do when nervous , but I like to think that only added to the enthusiasm I was trying to project . ( When I mentioned NYC , she invited me to attend a taping .
[A]:
What may be the reason they grinned like an idiot ?