*SUPPORT*
IN: kiki kiki tufa fep lug dax zup OUT: PINK BLUE GREEN GREEN RED
IN: lug kiki lug OUT: BLUE GREEN BLUE
IN: kiki fep zup dax zup kiki blicket kiki OUT: GREEN PINK GREEN GREEN PINK GREEN
IN: tufa tufa blicket kiki OUT: GREEN RED RED GREEN
IN: kiki fep zup dax lug kiki fep tufa OUT: RED BLUE GREEN PINK GREEN
IN: kiki kiki fep tufa dax zup OUT: PINK RED GREEN GREEN
IN: lug kiki OUT: BLUE GREEN
IN: tufa OUT: RED
IN: zup tufa zup OUT: PINK RED PINK
IN: zup OUT: PINK
IN: kiki kiki dax zup zup fep zup OUT: PINK PINK PINK GREEN GREEN
IN: kiki lug fep lug blicket lug OUT: BLUE BLUE GREEN BLUE BLUE
IN: zup tufa blicket zup OUT: PINK PINK RED PINK
IN: tufa lug fep lug blicket lug fep lug OUT: BLUE BLUE BLUE RED BLUE BLUE

*QUERY*
IN: lug fep zup OUT: PINK BLUE
IN: tufa kiki OUT: RED GREEN
IN: kiki fep kiki dax zup zup OUT: PINK PINK GREEN GREEN
IN: tufa dax zup blicket zup OUT: PINK PINK PINK RED
IN: tufa tufa fep tufa fep lug blicket tufa OUT: RED BLUE RED RED RED RED
IN: kiki kiki fep kiki OUT: GREEN GREEN GREEN
IN: tufa blicket zup OUT: PINK RED PINK
IN: kiki OUT: GREEN
IN: zup blicket zup blicket lug OUT: BLUE PINK PINK PINK BLUE
IN: tufa lug dax zup OUT: PINK RED BLUE

*GRAMMAR*
lug -> BLUE 
 tufa -> RED 
 kiki -> GREEN 
 zup -> PINK 
 x1 dax x2 -> [x2] [x1] 
 x1 fep u1 -> [u1] [x1] 
 x1 blicket u1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 