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

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

*GRAMMAR*
kiki -> PINK 
 zup -> RED 
 dax -> BLUE 
 wif -> YELLOW 
 u1 fep u2 -> [u2] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 