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

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

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