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

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

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