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

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

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