*SUPPORT*
IN: dax gazzer fep zup fep lug OUT: RED PINK PURPLE BLUE
IN: zup fep zup fep zup OUT: PINK PINK PINK
IN: lug kiki gazzer OUT: RED BLUE
IN: dax zup dax fep gazzer OUT: BLUE PURPLE PINK PURPLE
IN: dax kiki zup OUT: PURPLE PINK
IN: dax wif dax OUT: PURPLE PURPLE
IN: lug fep zup kiki gazzer OUT: PINK RED BLUE
IN: dax OUT: PURPLE
IN: dax zup zup fep zup OUT: PINK PURPLE PINK PINK
IN: lug zup fep dax OUT: PURPLE RED PINK
IN: zup dax fep zup kiki dax OUT: PINK PINK PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: gazzer kiki gazzer OUT: BLUE BLUE
IN: lug kiki lug OUT: RED RED

*QUERY*
IN: zup wif gazzer OUT: BLUE PINK
IN: dax lug OUT: PURPLE RED
IN: zup gazzer fep lug kiki gazzer OUT: RED PINK BLUE BLUE
IN: dax fep dax kiki dax OUT: PURPLE PURPLE PURPLE
IN: zup lug OUT: PINK RED
IN: lug OUT: RED
IN: lug lug fep lug OUT: RED RED RED
IN: zup dax dax gazzer kiki lug kiki lug OUT: PINK PURPLE PURPLE BLUE RED RED
IN: lug fep lug OUT: RED RED
IN: dax kiki dax kiki lug kiki lug OUT: PURPLE PURPLE RED RED

*GRAMMAR*
gazzer -> BLUE 
 lug -> RED 
 zup -> PINK 
 dax -> PURPLE 
 x1 wif x2 -> [x2] [x1] 
 x1 fep u1 -> [u1] [x1] 
 x1 kiki u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 