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

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

*GRAMMAR*
gazzer -> PINK 
 zup -> RED 
 dax -> YELLOW 
 lug -> BLUE 
 x1 tufa x2 -> [x2] [x2] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 