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

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

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