Find the adequate summary
Below is a passage taken from Raymond S. Nickerson's "How We Know-and Sometimes Misjudge-What Others Know: Imputing One's Own Knowledge to Others." Psychological Bulletin 125.6 written in 1999, on p.737.
In order to communicate effectively with other people, one must have a reasonably accurate idea of what they do and do not know that is pertinent to the communication. Treating people as though they have knowledge that they do not have can result in miscommunication and perhaps embarrassment. On the other hand, a fundamental rule of conversation, at least according to a Gricean view, is that one generally does not convey to others information that one can assume they already have.
Which of the following summaries is acceptable?
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