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

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

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