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

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

*GRAMMAR*
wif -> PURPLE 
 blicket -> GREEN 
 dax -> BLUE 
 gazzer -> YELLOW 
 x1 kiki u1 -> [x1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 x1 lug x2 -> [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 