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

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

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