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

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

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