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

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

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