Suppose How to bake a chocolate cake<br>Start by preheating the oven to 350°F. Mix together flour, sugar, cocoa, baking powder, baking soda, and salt in a large bowl. Stir in milk, oil, eggs, and vanilla. Pour the batter into a greased baking pan and bake for 30 minutes. Let cool before frosting with your favorite chocolate frosting.
Can we infer that "The main ingredient for a chocolate cake is mustard."?