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

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

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