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

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

*GRAMMAR*
fep -> RED 
 lug -> GREEN 
 gazzer -> BLUE 
 dax -> PURPLE 
 x1 kiki -> [x1] [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 