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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> BLUE 
 dax -> PINK 
 fep -> RED 
 u1 blicket u2 -> [u1] [u2] 
 x1 lug x2 -> [x1] [x2] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 