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

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

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