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

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

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