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

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

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