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

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

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