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

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

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