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

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

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