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

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

*GRAMMAR*
kiki -> RED 
 dax -> PURPLE 
 fep -> BLUE 
 lug -> PINK 
 u1 zup u2 -> [u2] [u1] 
 u1 gazzer x1 -> [u1] [x1] 
 x1 wif x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 