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

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

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