In the field of psychology, perception involves the organization, identification, and interpretation of sensory information in order to represent and understand the environment. One theory that attempts to explain how we perceive patterns and wholes is Gestalt psychology. According to Gestalt principles, we are predisposed to perceive certain patterns in our sensory inputs. One of these principles, particularly relevant to the perception of grouped elements, is the principle of closure. Which of the following scenarios exemplifies the principle of closure in perception?