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

*QUERY*
IN: tufa kiki zup kiki dax fep tufa OUT: RED BLUE PINK PINK RED
IN: zup fep tufa OUT: BLUE BLUE RED
IN: dax fep zup OUT: PINK PINK BLUE
IN: wif fep zup OUT: PURPLE PURPLE BLUE
IN: wif kiki zup fep zup OUT: PURPLE BLUE BLUE BLUE
IN: tufa OUT: RED
IN: zup fep dax OUT: BLUE BLUE PINK
IN: tufa kiki zup zup OUT: RED BLUE BLUE
IN: dax kiki wif dax tufa fep wif OUT: PINK PURPLE PINK RED RED PURPLE
IN: tufa kiki wif fep zup OUT: RED PURPLE PURPLE BLUE

*GRAMMAR*
zup -> BLUE 
 wif -> PURPLE 
 tufa -> RED 
 dax -> PINK 
 x1 lug x2 -> [x2] [x1] 
 u1 kiki x1 -> [u1] [x1] 
 u1 fep u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 