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

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

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