If a class is given lessons in a foreign language, the students feel that they will be better prepared for the new global economy. im trying see whats wrong with this sentence.

The restaurant joe's tasty burgers just created a new hamburger that they call "the joe special." they want to protect the name of the burger so that no other restaurants can claim the name for themselves. what protection will they need on the name "the joe special"? a. fair use b. copyright c. trademark d. patent