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

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

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