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: ASTRONOMY 
Clue: A galactic cloud of dust & gas, its name comes from the Latin for "cloud"
answer:
nebula


question:
Category: A "THORN"-Y CATEGORY 
Clue: He replaced Edwin Meese as Attorney General
answer:
dick thornburgh


question:
Category: NURSERY RHYMES 
Clue: His kisses drove girls to tears
answer:

georgie porgie