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

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

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