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

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

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