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

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

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