*SUPPORT*
IN: fep dax zup OUT: PINK RED
IN: kiki dax zup OUT: GREEN RED
IN: fep tufa fep tufa kiki tufa kiki OUT: PINK PINK GREEN GREEN
IN: lug fep dax fep OUT: YELLOW PINK PINK
IN: kiki tufa fep OUT: GREEN PINK
IN: fep OUT: PINK
IN: fep dax kiki gazzer fep OUT: PINK GREEN PINK
IN: lug dax lug OUT: YELLOW YELLOW
IN: zup zup OUT: RED RED
IN: fep tufa fep dax lug OUT: PINK PINK YELLOW
IN: zup tufa kiki gazzer lug OUT: RED GREEN YELLOW
IN: kiki gazzer kiki gazzer zup OUT: GREEN GREEN RED
IN: lug dax kiki OUT: YELLOW GREEN
IN: kiki tufa fep dax fep OUT: GREEN PINK PINK

*QUERY*
IN: zup gazzer zup gazzer lug OUT: RED RED YELLOW
IN: zup dax fep gazzer zup OUT: RED PINK RED
IN: zup OUT: RED
IN: lug OUT: YELLOW
IN: kiki OUT: GREEN
IN: zup tufa kiki OUT: RED GREEN
IN: lug lug kiki dax zup OUT: YELLOW YELLOW GREEN RED
IN: fep zup dax kiki OUT: PINK RED GREEN
IN: lug dax kiki gazzer fep OUT: YELLOW GREEN PINK
IN: zup dax lug OUT: RED YELLOW

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