$1.$ Jack asks you to identify the articles that contain $500$ words or more, those that contain $400$ words or more, and those that contain less than $400$ words.

a$.$ In the Number of Words column $($range D$2$:D$15),$ create a new Icon Set Conditional Formatting rule using the $3$ Traffic Lights $($Rimmed$)$ icons.

b$.$ Reverse the icon order.

c$.$ Display the red traffic light icon in cells with a Number type value greater than or equal to $500.$

d$.$ Display the yellow traffic light icon in cells with a Number type value greater than or equal to $400.$

e$.$ Display the green traffic light icon in cells with a Number type value less than $400.$