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

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

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