You meet Calvin and Maria at a party you are attending with some mutual friends. During the course of the evening, they stay close together, touch hands, and often look into each other's eyes. One of the foundational principles of interpersonal communication states that interpersonal messages contain both substance and nuance. Applying this principle would help you to:

  a.  predict how your interactions with them will impact your future relationship.
  b.  interpret the cultural context of their communication.
  c.  make a judgment about their relationship.
  d.  observe the further subtleties of their communication with one another.

  c.  make a judgment about their relationship.