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

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

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