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

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

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