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

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

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