Write the next sentence in this paragraph:

How to make unicorn cupcakes
Preheat your oven and combine your flour, salt, and baking powder.
Preheat your oven to 350 f (177 c). In a medium sized bowl, combine your flour, salt and baking powder with a spoon.

Choose your answer from:
(I) Set your bowl of dry ingredients aside until you're ready to use it. Cream your butter and add sugar, vanilla, and eggs.
(II) Allow the mixture to come to room temperature so it cools more quickly. Add the sugar and cinnamon to the mixture.
(III) Beat until they're blended in well. Pour in the three tablespoons of warm water.
(IV) Use a hand mixer to mix everything together. Stop the mixer when there are no clumps of flour.
(I)