Which of the following would be an example of internal conflict?
Two sisters are rivals for their father's love. They try to undermine each other, each hoping to inherit the old man's entire estate.
A young prince becomes convinced that his father was murdered by the man who now sits on the throne and is determined to avenge his father's death.
A general hears from his most trusted friend that his, the general's, wife has been unfaithful to him. He loves his wife and does not want to believe she would betray him, so he does not know whether to believe his friend or trust his wife.