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

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

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