This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make a colorful roll up cake
Split and color your cake mix appropriately.
If you were using the colors from the bisexual cake you would split your mixture into three bowls. Then color one pink, one purple and, one blue.

Choose your answer from:
(a). Spread your colored mixture onto a greased jelly tray, or something similar, using a piping bag. Feel free to use any pattern that appeals to your interest.
(b). Spread blue frosting on the cake mix, and brush all over it. Spread white cake batter over the cake mix.
(c). The pink bowl has more sliced fruits, and the purple bowl has darker cream cheese colors. Both bowls are used by various bakers and are known as the bakers' roll-ups.
(d). Add your liquid ingredients and stir until smooth. Pour your liquid ingredients into a mixing bowl.
The answer is:
(a).