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

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

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