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

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

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