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

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

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