> Well, I don't know a whole lot about stochastic grammars in Ruby, but 
> assuming your choice of terminal symbols was not wholly coincidental, 
> you may find BioRuby [1] helpful.
> 
> If nucleotides really were just an arbitrary example and you're actually 
> looking for something broader, then, someone else here may have a 
> suggestion.
> 
> [1] BioRuby: http://bioruby.org/

Hi,Thanks for the reply, Bioruby unfortunately does not implement any of 
the stochastic or any grammars yet. While i used the example of 
nucleotide sequences, i am actually looking for something broader, 
though the nucleotide sequences problem would be a good start point.

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