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

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

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