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

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

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