*SUPPORT*
IN: lug lug dax fep OUT: PURPLE PURPLE GREEN
IN: kiki dax fep blicket zup OUT: BLUE GREEN YELLOW
IN: lug dax lug OUT: PURPLE PURPLE
IN: lug fep kiki blicket fep blicket kiki OUT: PURPLE GREEN BLUE GREEN BLUE
IN: kiki fep OUT: BLUE GREEN
IN: zup lug OUT: YELLOW PURPLE
IN: lug OUT: PURPLE
IN: lug dax lug blicket kiki blicket kiki OUT: PURPLE PURPLE BLUE BLUE
IN: fep dax kiki OUT: GREEN BLUE
IN: kiki dax fep OUT: BLUE GREEN
IN: lug zup dax fep OUT: PURPLE YELLOW GREEN
IN: kiki dax zup OUT: BLUE YELLOW
IN: kiki kiki OUT: BLUE BLUE
IN: kiki OUT: BLUE

*QUERY*
IN: zup OUT: YELLOW
IN: fep dax lug blicket kiki OUT: GREEN PURPLE BLUE
IN: lug dax kiki OUT: PURPLE BLUE
IN: lug dax zup OUT: PURPLE YELLOW
IN: kiki dax kiki OUT: BLUE BLUE
IN: zup dax lug blicket lug OUT: YELLOW PURPLE PURPLE
IN: zup fep OUT: YELLOW GREEN
IN: kiki dax lug OUT: BLUE PURPLE
IN: fep OUT: GREEN
IN: kiki fep fep kiki dax kiki blicket fep OUT: BLUE GREEN GREEN BLUE BLUE GREEN

*GRAMMAR*
fep -> GREEN 
 kiki -> BLUE 
 lug -> PURPLE 
 zup -> YELLOW 
 x1 blicket u1 -> [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 wif x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 