What is the common factor of a single story as seen in Adichie's stories about Fide (house boy) and her first American roommate? A person waited to talk to another person before deciding what they thought about that person.

A person was surprised by another person's taste in music.

A person assumed someone was less capable of doing or knowing something because of a stereotype.

A person treated another person badly because they didn't want to know them as a person.