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

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

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