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

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

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