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

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

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