Find the Indicated Probability $\frac { 4 } { 5 }$

Find the indicated probability.
-Sammy and Sally each carry a bag containing a banana, a chocolate bar, and a licorice stick. Simultaneously, they take out a single food item and consume it. The possible pairs of food items that Sally and Sammy consumed are as follows.

chocolate bar - chocolate bar
licorice stick - chocolate bar
banana - banana
chocolate bar - licorice stick
licorice stick - licorice stick
chocolate bar - banana
banana - licorice stick
licorice stick - banana
banana - chocolate bar

Find the probability that at least one banana was eaten.

A) $\frac { 4 } { 5 }$

B) $\frac { 5 } { 9 }$

C) $\frac { 7 } { 9 }$

D) $\frac { 1 } { 3 }$