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

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

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