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

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

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