Chuck eats two pounds of potato chips a day for 20 years. He becomes obese and dies from high blood ...

Chuck eats two pounds of potato chips a day for 20 years. He becomes obese and dies from high blood pressure at age thirty. Doctors attribute his death to consumption of the chips. In a suit against the chip makers, Chuck's heirs will probably:
 a. lose because of Chuck's assumption of risky behavior
  b. lose because the U.S. Dept. of Agriculture had certified the chips as safe to eat c. lose because of lack of warranty
  d. win because of the failure to warn consumers of dangers of such use e. win because of implied warranty of safety of food products