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:Specifically, deletion of a component of the complex involved in H3K4 methylation resulted in the identification of the monodictyphenone [23, 42, 144] and orsellinic acid/F9775 [23, 42, 144] gene clusters, respectively.
Category: