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

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

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