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

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

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