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

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

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