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

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

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