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

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

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