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

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

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