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

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

*GRAMMAR*
zup -> RED 
 kiki -> PINK 
 fep -> PURPLE 
 gazzer -> GREEN 
 u1 dax u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 