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

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

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