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

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

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