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:Since relatesTo arguably subsume the relation of containment, Urinary Content, Profile-Defining Content and Profile-Defining Presence become special cases of Urinary Relatum, Profile-Defining Relatum and Profile-Defining Context respectively (e.g. as Urinary Content is something related to some Urine by a relation of
7 Although the original work concerning UFO and OntoUML [Guizzardi, 2005] prescribes that antirigid types (such as RoleMixin types) could be instantiated exclusively by objects, more recent works [Guizzardi, Guarino, Almeida, 2016] acknowledged the idea that all endurants (including intrinsic properties, such as Modes or Qualities) can instantiate anti-rigid types.
containment, it is also a Urinary Relatum).
Category: