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

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

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