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

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

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