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

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

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