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

*QUERY*
IN: tufa zup OUT: BLUE PURPLE
IN: zup wif OUT: PURPLE YELLOW
IN: zup kiki OUT: PURPLE PURPLE
IN: tufa fep OUT: BLUE BLUE BLUE
IN: zup kiki fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif zup OUT: YELLOW PURPLE
IN: tufa kiki fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa lug wif kiki OUT: YELLOW YELLOW BLUE YELLOW YELLOW
IN: zup fep OUT: PURPLE PURPLE PURPLE
IN: zup OUT: PURPLE

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