3. It was thought to be an accident
4. Shansville, Pennsylvania
5. All of above
Answer:
interrogative and or pronoun
Explanation:
Who (pronoun) The pronoun who, in English, is an interrogative pronoun and a relative pronoun, used chiefly to refer to humans. Its derived forms include whom, an objective form the use of which is now generally confined to formal English; the possessive form whose; and the indefinite form whoever (also whosoever, whom(so)ever
