3. A method in accordance with claim 2 , wherein determining a portion of the text to which the comment is most relevant comprises assigning, by the computer, scores to segments of the text indicating a relevance of the comment to each segment, and identifying a segment with the highest score.
4. A method in accordance with claim 3 , wherein assigning, by the computer, scores to segments of the text indicating a relevance of the comment to each segment, comprises applying natural language processing techniques to identify semantically related words and phrases appearing in the comment and the segment, respectively.