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

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

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