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

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

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