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.
--------
Question: Category: THE FICTIONAL LAND OF OZ 
Clue: This paving material of the road to the Emerald City is in need of repairs

Answer: yellow brick


Question: Category: BABY BOOMER MEMORIES 
Clue: The John Birch Society coined the term comsymp, short for this

Answer: communist sympathizer


Question: Category: 20TH CENTURY OPERA 
Clue: American composer Robert Ward based a 1961 opera on this author's famous play "The Crucible"

Answer:
arthur miller