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

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

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