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

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

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