Final answer:
The sentence in question is (B) literal language to clarify that 'football' can refer to different sports in different contexts, with no use of figurative language or literary devices.
Step-by-step explanation:
The sentence "That's because their football is not the same as your football" is an example of literal language. It is a straightforward statement that explains that the word 'football' refers to different sports depending on the context or the country discussing it.
In some places, football means what is known as soccer in the United States, while in the U.S., football refers to a sport that is played with an oval ball and involves teams trying to score points by carrying or passing the ball to the end zone. There is no figurative language or literary device being used here; it is simply stating the facts as they are.