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.
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Question: Category: MAGIC 
Clue: 2-word "conjuring" brand name for a felt-tip pen that comes in many colors

Answer: magic marker


Question: Category: GET AN EDUCATION! 
Clue: God willing, you'll learn enough about religion to know this word defined as belief in a single god

Answer: monotheism


Question: Category: 19th CENTURY LIT 
Clue: This English romantic poet who died at 25 wrote the sonnet "When I Have Fears That I May Cease to Be"

Answer:
john keats