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.

[Q]: Category: HOMOPHONES 
Clue: A caustic substance in soap, or an untruth
[A]: lye/lie


[Q]: Category: INVENTIONS 
Clue: The typewriter was 1st mass-produced in the 1870s by this gun manufacturer
[A]: remington


[Q]: Category: CHEMISTRY 
Clue: The 6 "inert" elements occur naturally primarily in this state of matter
[A]:
gases