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

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

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