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

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

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