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

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

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