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

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

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