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

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

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