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

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

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