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

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

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