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

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

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