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

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

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