Which of the following Sentence positions cannot be filled by a pronoun?

Which character threatens several times to kill solomon northup in twelve years a slave? clemens ray burch john williams robert

Who is ¨ the guilty party¨ at the end of the text, and how do his actions contribute to the storys theme?

Which excerpt from leo tolstoy's the death of ivan ilyich reflects the author's opinion that the members of the medical profession don't really care about their patients?