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

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

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