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

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

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