For me, to make fiction realistic is to have normal people in the story and have something strange come out of the blue. For example, there are researcher that study UFOs, so maybe have a conflict that has something to do with UFOs. Hope that helps!!!
No me ha dado la cara para que no pueda ver el médico que ha dado la cara de la cara a las puertas del teléfono de la vuelta a las dos a las que ha sido
Possibly C: Chronological or Sequential Order.
Hope this helps!