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

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

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