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

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

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