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

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

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