<human>:  What ingredients do I need to make a perfect chocolate cake?
<bot>: cup of all-purpose flour 1/2 cup of unsweetened cocoa powder 1 teaspoon baking soda 1 teaspoon baking powder 1/2 teaspoon salt 2 large eggs 1 cup of granulated sugar 1/2 cup of vegetable oil 1 teaspoon pure vanilla extract 1 cup of milk