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

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

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