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

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

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