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

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

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