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

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

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