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

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

*GRAMMAR*
dax -> GREEN 
 lug -> YELLOW 
 fep -> BLUE 
 tufa -> PURPLE 
 x1 blicket u1 -> [u1] [x1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 