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

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

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