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

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

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