TASK DEFINITION: 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.
PROBLEM: Category: FICTIONAL BATTLES & WARS 
Clue: Juan Rico joins the mobile infantry to fight in the war against the invading alien "bugs" in this Heinlein novel

SOLUTION: starship troopers

PROBLEM: Category: STARTS & ENDS WITH "H" 
Clue: To secretly devise something, like a plan for a really good door on my boat

SOLUTION: hatch

PROBLEM: Category: ALPHABET SOUP 
Clue: This flavor enhancer used in Asian cooking was first obtained from seaweed

SOLUTION:
msg