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

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

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