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

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

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