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

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

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