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

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

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