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

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

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