A good dumb blonde joke

one day a brunnet a redhead and a blonde were stranded on an island becouse there car stopped so they started to look around to see if they could find a way out so the brunnet took some food the redheadhed took some water and the dumb blonde took the car door the redhead and the blonde asked the brunnet why she took some food she said; ii case i get hungry and the brunnet and the dumb blonde asked the redhead why she brought water she answered; in case i get thirsty and so the brunnet and the redhead turned around and asked the dumb blonde why she took the car door and she answered; in case i get hot.