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

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

*GRAMMAR*
fep -> GREEN 
 gazzer -> BLUE 
 kiki -> YELLOW 
 wif -> RED 
 x1 lug -> [x1] [x1] 
 x1 dax x2 -> [x1] [x1] [x2] 
 x1 zup x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 