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:While we cannot exclude alternative models, our findings are consistent with models in which TRIM5≈í¬± engages lentiviral CA through two sets of contacts, one in the structurally conserved ≈í‚â§-hairpin and the second at the junction between binding sites of at least four cellular cofactors [25, 78, 79].
Category: