It seems to me that what you really want is proper implementation of coreference resolution [1]. This is extremely hard and extremely poorly done so far. Perhap

It seems to me that what you really want is proper implementation of coreference resolution [1]. This is extremely hard and extremely poorly done so far. Perhaps with more open sourcing, the problem would be more widely tackled. Or perhaps not. [1]: http://en.wikipedia.org/wiki/Coreference#Coreference_resolution http://en.wikipedia.org/wiki/Coreference#Coreference_resolut...