Let $\begin{array} { l } C = \{ \text { red, green } \} \\N = \{ \text { circle, square } \}\end{array}$

Multiple Choice

Let $\begin{array} { l } C = \{ \text { red, green } \} \\N = \{ \text { circle, square } \}\end{array}$
List the elements of $C \times N$ as ordered pairs in a set notation.

A) $\text { (red, circle) }$ , $\text { (green, square) }$
B) $\text { (red, circle) }$ , $\text { (red, square) }$ , $\text { (green, circle) }$ , $\text { (green, square) }$
C) $\text { (red, green) }$ , $\text { (circle, square) }$ , $\text { (red, circle) }$ , $\text { (green, square) }$
D) $\text { (red, square) }$ , $\text { (green, circle) }$
E) $\text { (red, square) }$ , $\text { (green, circle) }$ , $\text { (red, green) }$ , $\text { (circle, square) }$