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

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

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