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

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

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