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

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

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