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

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

*GRAMMAR*
kiki -> RED 
 fep -> BLUE 
 lug -> PINK 
 wif -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 