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

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

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