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

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

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