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

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

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