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

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

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