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

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

*GRAMMAR*
kiki -> RED 
 wif -> GREEN 
 lug -> PURPLE 
 zup -> BLUE 
 x1 dax x2 -> [x2] [x1] [x2] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 