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

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

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