if you are large groups or families, there are other available apartments in the same building.

How would the previous sentence be correctly capitalized?
Answer: If you are large groups or families, there are other available apartments in the same building.
she said to us, "i died there."

How would the previous sentence be correctly capitalized?
Answer: She said to us, "I died there."
a special medieval genre of books was the " ars moriendi " or " artes [bene] moriendi " = the art of dying [well] - books telling christians how to prepare for death.

How would the previous sentence be correctly capitalized?
Answer: A special medieval genre of books was the " ars moriendi " or " artes [bene] moriendi " = the art of dying [well] - books telling Christians how to prepare for death.
that is not the end of the confusion in this one section of the question.

How would the previous sentence be correctly capitalized?
Answer: That is not the end of the confusion in this one section of the question.