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

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

*GRAMMAR*
lug -> BLUE 
 kiki -> GREEN 
 tufa -> RED 
 dax -> YELLOW 
 u1 blicket u2 -> [u2] [u2] [u1] [u1] 
 u1 wif u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 