In "Superhero 101: A Family Secret," how does the revelation by Trace's grandmother contribute to the development of the theme that assumptions can be harmful to relationships.

Trace's grandmother assumes that Trace does not have a good reason for missing her birthday.

Trace assumes that his grandmother shows him his grandfather's bracelet because she is upset with him.

Trace's grandmother assumes that Trace will not understand her husband's secret life.

Trace assumes that his grandmother wants to share some big news with him.