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: BIRD BOOKS 
Clue: Some took flight with this 1970 allegory by Richard Bach; others felt it was bird-brained
answer:
jonathan livingston seagull


question:
Category: THEY EAT THAT? 
Clue: A food stand by London's Petticoat Lane is called, & serves, "Jellied" this elongated fish
answer:
eel


question:
Category: WORD ORIGINS 
Clue: Mark Twain should have known the name of this fruit may be an alternation of “hurtleberry”
answer:

huckleberry