Suppose How to bake a chocolate cake from scratch<br>Preheat your oven to 350°F and grease a cake pan. Mix together flour, sugar, cocoa powder, baking powder, baking soda, and salt in a large bowl. In another bowl, whisk together eggs, milk, oil, and vanilla extract. Combine the wet and dry ingredients until smooth, then pour into the cake pan and bake for 30-35 minutes.
Can we infer that "A chocolate cake can only be made using a boxed cake mix."?