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Adjacency pairs are most commonly found in what Schegloff and Sacks described as a " single conversation , " a unit of communication in which a single person speaks and a second person replies to the first speaker 's utterance .
 person: Schegloff; person: Sacks
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Schegloff, Sacks 
Answer:
 person: Schegloff; person: Sacks