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

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

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