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

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

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