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

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

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