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

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

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