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

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

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