The text uses dashes to indicate different speakers.
The conversation revolves around a specific action shown in the textbook illustration (walking a pet/playing). sostavit dialog k kartinke uprazhnenie 327 5 klass
Words like Seryozha , Anya , and Druzhok are used as addresses and should be separated by commas in Russian (e.g., "Привет, Серёжа !"). The text uses dashes to indicate different speakers