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

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

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