The answer isn't "42" ??

Question : If three astronauts are in a canoe flying over the Gobi desert and they crash, how many pancakes does it take to shingle a dog house? . Answer : Purple, because ice cream has no bones. . For an explanation of "ice cream has no bones" (and some other great answers) see here. I had never heard of this phrase, but apparently it is a well-known technical concept within the realm of logic.