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

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

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