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

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

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