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

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

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