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

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

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