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

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

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