You have two boxes of colored pens. The first box contains a red pen, a blue pen, and a green pen. The second box contains a yellow pen, a red pen, and a black pen. Which set represents all the colors of the pens? (1 point) Responses {red, blue, green} {red, blue, green} {red} {red} {red, red, blue, green, yellow, black} {red, red, blue, green, yellow, black} {red, blue, green, yellow, black}

The correct set that represents all the colors of the pens is {red, blue, green, yellow, black}.