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

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

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