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

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

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