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

*QUERY*
IN: gazzer zup gazzer kiki OUT: RED GREEN RED RED GREEN RED
IN: fep kiki OUT: YELLOW YELLOW
IN: gazzer zup wif kiki OUT: RED GREEN GREEN RED GREEN GREEN
IN: zup gazzer lug fep wif OUT: GREEN RED YELLOW YELLOW RED RED
IN: gazzer OUT: RED
IN: fep lug fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer wif kiki OUT: RED RED RED RED
IN: gazzer wif OUT: RED RED
IN: fep fep OUT: YELLOW YELLOW
IN: gazzer lug zup OUT: RED GREEN RED RED

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