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.

[EX Q]: Category: LADY'S NIGHT 
Clue: At a 1984 dinner, this "doubting" woman became the 1st woman to win the National Press Club's Fourth Estate Award
[EX A]: helen thomas

[EX Q]: Category: FROM B TO C 
Clue: A group of nations acting together, like the old Soviet one
[EX A]: bloc

[EX Q]: Category: CHEMISTRY 
Clue: In 1856 Sir William Perkin made the first synthetic one of these; he produced mauve while trying to make quinine
[EX A]:
dye