Answer:
lights going on and off in the houses as a result of supernatural events
Explanation:
This would change the story from science fiction to fantasy fiction because of the addition of supernatural events to the story. While aliens currently belong to the realm of science fiction, supernatural events are not exactly science fiction as they are not based on science. As a result, any type of supernatural powers would be classified as fantasy fiction.
I personally thought none of this sentences were opinions, but I guess the more opinion-like one is "aunt amanda and uncle robbyare happily married"
