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

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

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