context: Investigating a chemical leak from the floor above, he discovers that the inhabitant directly overhead is a strange, old, and reclusive physician.
source: The doctor demonstrates supreme medical skill, and saves the narrator with a combination of medications.
reference_original: El médico demuestra unas habilidades médicas magníficas y salva al narrador con una combinación de medicamentos.
reference_flipped: El médico demuestra unas habilidades médicas magníficas y salva a la narradora con una combinación de medicamentos.