Give the Numbers of Elements in the Region Marked III $| U | = 29 , | A | = 6 , | B | = 13 , | A \cap B | = 4$

Multiple Choice

Give the numbers of elements in the region marked III in the figure. $| U | = 29 , | A | = 6 , | B | = 13 , | A \cap B | = 4$

A) $4$ elements
B) $2$ elements
C) $14$ elements
D) $9$ elements
E) $0$ elements