Q. What is Dave wearing?
A. Dave is wearing a blue button-down shirt, a blue sleeveless sweater, and a pair of chinos.
Q. What kind of mood is Dave in?
A. Dave is in a gloomy mood.
Q. What are the factors affecting Dave's mood?
A. It has been raining all day, and Dave has not seen the sun.
Q. Why has Dave not written a Four Questions for eight months and 13 days?
A. Why do you assume that Dave has not written a Four Questions since May 4, 2010? Perhaps Dave has written several Four Questions and just not shared them with you.