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

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

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