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: THE "I"s HAVE IT 
Clue: In a proverb, it's "no excuse" for breaking the law
[A]: ignorance


[Q]: Category: "GRAND" PRIX 
Clue: This 3-word nickname for the Republicans dates from the 1870s
[A]: grand old party


[Q]: Category: "HY" SCIENCE 
Clue: His contribution to science was the celluloid strip used in film, not the sanitary strip used in hotels
[A]:
john wesley hyatt