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

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

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