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

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

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