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

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

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