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

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

*GRAMMAR*
wif -> PINK 
 dax -> PURPLE 
 zup -> BLUE 
 tufa -> GREEN 
 x1 gazzer x2 -> [x2] [x1] 
 u1 fep u2 -> [u2] [u1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 