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

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

*GRAMMAR*
wif -> GREEN 
 fep -> BLUE 
 zup -> RED 
 dax -> PURPLE 
 u1 blicket -> [u1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 lug x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 