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

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

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