This question is asking us what is strongly supported, since we have no specific guidance, the right answer could basically be anything we have support for in the passage. The wrong answers will be things that we cannot prove based on what we read.
Around line 30-35, we are told that talk-story involves the shifting and reconstruction of remembered elements of stories, which the author contrasts with the retention of specific sequences of words. Thus, we can be pretty confident that talk-story does not rely on the retention of precise sequences of words.
