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

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

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