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

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

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