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

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

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