I'd say it's what's usual or typical for the population, such as any of the usual, typical store brands, one or another of which can be expected to be found in most coffee shops. Whether black, or with cream and/or sugar, it still would be typical coffee:
Definition of normal
1conforming to a standard; usual, typical, or expected:
Edited by VM Smith (05/11/13 10:01 PM)
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