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

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

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