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

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

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