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

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

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