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:…in all cases, including the maintaining of the second character in focus (Image 4; see the graphs in the Supplement for the “image by image” presentation of the results), it is interesting to further consider the distinctions between our task and the one
developed by Hendriks et al. (2014).
Category: