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

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

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