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

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

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