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

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

*GRAMMAR*
gazzer -> YELLOW 
 fep -> PURPLE 
 kiki -> RED 
 wif -> BLUE 
 x1 lug -> [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x2] [x1] 
 u1 dax u2 -> [u1] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 