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

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

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