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

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

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