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

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

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