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

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

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