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

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

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