Which sentence does not use a colon correctly?

a.
we need the following information: names of the guests, table number, and luncheon choice.

b.
here's what we have to do: fold your clothes, find the suitcases, and pack for the trip.

c.
the art appreciation course explores these artists: claude monet, leonardo da vinci, and vincent van gogh.

d.
these gift bags are for: mrs. hernandez, mr. rollins, and miss crane.

Lots of elementary school kids play sports after school. they play soccer, tennis, football, baseball, and even lacrosse. but i think that another great way to spend the afternoon is by playing a non-physical activity: chess. at our school we have a chess club that meets every week to play games and to learn about chess-related issues. chess is a wonderful game for many reasons. chess teaches students to be patient and not rush decisions. chess also teaches students how to strategize their future plans. and finally, chess teaches students the importance and necessity of sacrifice. chess can teach students just as much as any other sport. which sentence could best be added to this paragraph as a supporting detail? a) chess is not as fun as playing a sport outdoors might be. b) my father is very good at chess and plays a game with me every night. c) chess teaches students to think ahead about the consequences of their actions. d) other activities that are as fun as chess are painting, drawing, dancing, and acting.