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

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

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