Abstract: Computer technology for determining and tagging parts of speech in a text (that is PoS ragging), where the context used by the natural language processing machine logic (for example, NLP software) includes both: (i) other words in the sentence under analysis where a given word to be tagged appears; and (ii) words in the other sentences besides the sentence under analysis. Other context sentences may be selected randomly, by Next Sentence Prediction technology and/or by choosing sentences in textual proximity to the sentence under analysis.