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

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

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