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

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

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