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: YOU ARE SO FOXY! 
Clue: The foxglove plant is the main source of this medicine used as a stimulant  in damaged heart tissue
answer:
digitalis


question:
Category: GERMAN LITERATURE 
Clue: During World War I he fought on the Western Front & was wounded several times; he later wrote a 1929 novel about it
answer:
erich maria remarque


question:
Category: EGGHEADS 
Clue: In 1921 psychology prof Karl Jaspers became a professor of this instead; he went on to be a major existentialist
answer:

philosophy