Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Like Clemente’s (2009) study and other CA work in medical sociology (for example, Parry 2004, Pilnick and Zayts 2012), this article provides a data-driven analysis of talk-in-interaction.
Category: