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

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

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