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

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

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