This is cute, however it is incorrect. There are 4 types of food: substance, soup, pizza, and sandwich. Pizza is monobreadular, sandwich is polybreadular. Substance is one thing, like an apple. Soup is more than one substance.<p>Therefore hotdogs are pizza, tacos are pizza, toast is pizza, sushi is soup. Sandwiches are sandwiches, of course. More here <a href="https://alanjamesart.tumblr.com/post/158858916670/the-four-foods" rel="nofollow">https://alanjamesart.tumblr.com/post/158858916670/the-four-f...</a>