Teacher:You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Teacher: Now, understand the problem? Solve this instance: Category: GLAND FINALE 
Clue: This human gland important in the immune system takes its name in part from its resemblance to an herb
Student:
the thymus gland