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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> YELLOW 
 fep -> BLUE 
 dax -> RED 
 x1 wif u1 -> [x1] [u1] [x1] [u1] 
 x1 blicket x2 -> [x1] [x2] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 