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

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

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