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

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

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