Which of the Following Is True

Which of the following is true?

A) It only takes one positive instance to prove that a generalization is true.
B) It takes many negative instances to prove that a generalization is false.
C) Instances tell us nothing about whether or not a generalization is true.
D) A large number of positive instances guarantee that a generalization is true.
E) It only takes one negative instance to prove that a generalization is false.