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

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

*GRAMMAR*
kiki -> BLUE 
 wif -> YELLOW 
 gazzer -> PINK 
 fep -> RED 
 x1 lug x2 -> [x2] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 