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

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

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