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

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

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