The correct answer could be "Of God or Angel, for they thought no So hand in hand they passd, the lovliest pair.". <span>Before they fell from paradise, people were considered to be incapable of evil and to be completely innocent, which is why Milton says that they thought no evil.</span>
The best follow-up question to make in this case would be: what has been done to change the signaling systems to locate the origin of a fire, especially so that the firefighters can get to it without depending on information given by a person.
