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

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

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