Ann Chipped a Tooth on a Peach Pit While Eating

Ann chipped a tooth on a peach pit while eating a can of mixed fruit. She wants to sue the manufacturer of the fruit mix. Which of the following would be the manufacturer's best defense?

A) That food products do not come with a warranty of merchantability.
B) That no express warranty was made.
C) That no implied warranty of fitness for a particular purpose was made.
D) That the presence of the peach pit should not have been unexpected.
E) That the injury was minor.