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

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

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