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

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

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