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

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

*GRAMMAR*
dax -> RED 
 kiki -> PURPLE 
 fep -> BLUE 
 gazzer -> YELLOW 
 u1 zup u2 -> [u1] [u2] 
 u1 blicket u2 -> [u1] [u2] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 