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

*QUERY*
IN: zup blicket OUT: BLUE BLUE
IN: zup blicket kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer tufa fep blicket OUT: PINK RED PINK RED
IN: zup tufa zup OUT: BLUE BLUE
IN: gazzer dax OUT: RED YELLOW
IN: dax OUT: YELLOW
IN: zup tufa zup kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: dax tufa dax OUT: YELLOW YELLOW
IN: gazzer OUT: RED
IN: gazzer tufa fep OUT: PINK RED

*GRAMMAR*
gazzer -> RED 
 dax -> YELLOW 
 zup -> BLUE 
 fep -> PINK 
 x1 kiki -> [x1] [x1] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 