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

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

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