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

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

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