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

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

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