How to make vanilla cupcakes<br>Preheat your oven to 350 ° fahrenheit (180 ° celsius) and gather the ingredients you need, listed above. Wash your hands and line two 12-muffin tins with paper cupcake liners. Combine the self-rising flour with the all-purpose flour in a small mixing bowl.
Can we infer the following?
Mix the ingredients by hand to make these vanilla cupcakes.

Options:
 a). Yes
 b). It's impossible to say
 c). No
The answer is:
b).