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

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

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