If there's no more input, break out of the loop properly. Print stats on stderr.
If there's no more input, break out of the loop properly.
Print stats on stderr.

opencog/relex,anitzkin/relex,opencog/relex,rodsol/relex-temp,rodsol/relex,anitzkin/relex,AmeBel/relex,AmeBel/relex,anitzkin/relex,ainishdave/relex,opencog/relex,rodsol/relex,rodsol/relex-temp,rodsol/relex-temp,williampma/relex,leungmanhin/relex,linas/relex,ainishdave/relex,williampma/relex,leungmanhin/relex,williampma/relex,rodsol/relex-temp,virneo/relex,rodsol/relex,ainishdave/relex,leungmanhin/relex,virneo/relex,anitzkin/relex,virneo/relex,williampma/relex,rodsol/relex-temp,rodsol/relex,ainishdave/relex,anitzkin/relex,AmeBel/relex,linas/relex,virneo/relex,linas/relex