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

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

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