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

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

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