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

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

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