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

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

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