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

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

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