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

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

*GRAMMAR*
zup -> GREEN 
 dax -> PURPLE 
 fep -> PINK 
 lug -> BLUE 
 x1 gazzer x2 -> [x2] [x1] 
 x1 kiki u1 -> [u1] [x1] [x1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 