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

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

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