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

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

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