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

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

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