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

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

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