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

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

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