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

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

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