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

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

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