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

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

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