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

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

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