instruction:
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: CLASSICAL COMPOSERS 
Clue: The first movement of his 1868 first symphony is subtitled "Dreams of a Winter Journey"
answer:
pyotr ilyich tchaikovsky


question:
Category: U.S. GOVERNMENT 
Clue: This group that first met in 1942 didn't get a permanent chairman until 1949
answer:
the joint chiefs of staff


question:
Category: THE 1950s 
Clue: On a March 9, 1954 broadcast, he famously said, "We must not confuse dissent with disloyalty"
answer:

edward r. murrow