Based on the context and the answer, generate a question. 

Context: In my sister 's garage . My sister was hiding a Porsche from me . I put one hand on my hip . " Do you KNOW , " I said sternly , waving the diaper in the air with my other hand , " How many starving children your car payments on this thing could feed ? An entire African country !

Answer:

She might be materialistic



What may be a plausible fact about the sister