Round 1: Category is PHRASE
_ _ R _ C A U T _ O N
(Answer: FOR YOUR CONSIDERATION)
Round 2: Category is PLACE
__ A C _ C A S _ I N R _ N O
(Answer: BLACK JACK CASTLE IN RENO)
Round 3: Category is THINGS
D R E _ _ F I _ H I N G N E T S
(Answer: DREDGE FISHING NETS)