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

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

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