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

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

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