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:For example, while the ISO 24617-2 (Bunt et al., 2012) would tag ‘What?’ as AutoNegative thus capturing that the speaker is signaling non-understanding, we instead focus on what reaction the speaker expects to trigger in the listener by tagging this as a request to repeat.
Category: