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.

[EX Q]: Category: -OLOGIES 
Clue: Seismology studies the seismic waves produced by these plate shifts
[EX A]: earthquakes

[EX Q]: Category: "E" GADS! 
Clue: In 1986 they became the first siblings inducted into the Rock & Roll Hall of Fame
[EX A]: the everly brothers

[EX Q]: Category: WORD ORIGINS 
Clue: "When they begin" this dance, they should know its name is from the French for a flirtation
[EX A]:
beguine