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

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

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