*SUPPORT*
IN: fep gazzer OUT: PINK BLUE
IN: dax OUT: GREEN
IN: dax lug kiki OUT: YELLOW YELLOW GREEN YELLOW
IN: gazzer OUT: BLUE
IN: fep dax tufa fep OUT: PINK PINK GREEN
IN: fep OUT: PINK
IN: kiki tufa gazzer tufa kiki tufa gazzer OUT: BLUE YELLOW BLUE YELLOW
IN: fep lug dax tufa fep tufa dax OUT: GREEN PINK GREEN GREEN PINK GREEN
IN: dax kiki OUT: GREEN YELLOW
IN: fep fep kiki lug dax tufa fep OUT: PINK PINK PINK GREEN GREEN YELLOW GREEN
IN: gazzer fep dax blicket kiki tufa kiki OUT: YELLOW YELLOW BLUE PINK GREEN
IN: dax dax kiki OUT: GREEN GREEN YELLOW
IN: kiki fep OUT: YELLOW PINK
IN: gazzer blicket kiki OUT: YELLOW BLUE

*QUERY*
IN: kiki kiki tufa fep OUT: PINK YELLOW YELLOW
IN: fep kiki OUT: PINK YELLOW
IN: kiki gazzer OUT: YELLOW BLUE
IN: dax gazzer tufa fep OUT: PINK GREEN BLUE
IN: fep lug dax OUT: GREEN GREEN PINK GREEN
IN: dax blicket kiki kiki OUT: YELLOW YELLOW GREEN
IN: dax fep lug fep tufa kiki OUT: YELLOW GREEN PINK PINK PINK PINK
IN: kiki OUT: YELLOW
IN: dax tufa kiki tufa gazzer OUT: BLUE YELLOW GREEN
IN: dax lug gazzer OUT: BLUE BLUE GREEN BLUE

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