Read the story and answer the questions to test your comprehension.
Mustard is Ketchup's tougher buddy. It is made from the seeds of the mustard plant and mixed with vinegar, flour and spices. The first mustard, a very spicy variety, was invented by the Romans. Mustard as we know it, either Yellow Mustard or the sweet favorite Honey Dijon, was introduced in the 19th century.