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

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

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