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

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

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