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

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

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