A sealed envelope contains a card with a single digit written on it. Three of the following statements are true and one is false.
I. The digit is 1.
II. The digit is not 2.
III. The digit is not 9.
IV. The digit is 8.
Which one of the following must necessarily be correct?	Choose the correct choice from the following options.
A) III
B) I
C) IV
D) II
E) NONE
Three of the given statements are true. So both II and III are correct, and the given number is one of 1 or 8. So option A is correct.   IIInswer:III
<result>A</result>
A sealed envelope contains a card with a single digit written on it. Three of the following statements are true and one is false.
I. The digit is 1.
II. The digit is not 2.
III. The digit is not 9.
IV. The digit is 8.
Which one of the following must necessarily be correct?