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

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

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