What elements does science fiction have, as prose fiction does

A．He will be forgiven if he confesses to stealing the umbrella.
B．He will be given a reward if he returns it.
C．He will be involved in trouble if he doesn’t return it.
D．There is something wrong with the umbrella which will cause him much trouble.

A．He didn’t get the book he needed.
B．He had no idea where the book was.
C．The library is closed on weekend.
D．He was not allowed to check out the book.