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

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

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