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.

Input: Consider Input: Category: LADS NAMED VLAD 
Clue: In 1929, while working for RCA, this inventor & engineer demonstrated the first practical all-electronic TV

Output: vladimir zworykin


Input: Consider Input: Category: DOUBLE TALK 
Clue: In the 1920s Donald Duncan introduced this child's toy to America & it's had its ups & downs ever since

Output: yo-yo


Input: Consider Input: Category: BRITISH AUTHORS 
Clue: She was famous for her mystery novels featuring Lord Peter Wimsey


Output: dorothy sayers