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

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

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