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

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

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