did someone email you a dce file and you're not sure how to open it? maybe you have found a dce file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a dce file related error message.

How would the previous sentence be correctly capitalized?
Answer: Did someone email you a DCE file and you're not sure how to open it? Maybe you have found a DCE file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a DCE file related error message.
this hotel is in the hip vesterbro district, about 5 minutes' walk from copenhagen central station and tivoli amusement park. it offers free wi-fi and a varied breakfast buffet.

How would the previous sentence be correctly capitalized?
Answer: This hotel is in the hip Vesterbro district, about 5 minutes' walk from Copenhagen Central Station and Tivoli Amusement Park. It offers free Wi-Fi and a varied breakfast buffet.
he received his b.a. from cambridge and remained there to study for his doctorate under shaun wylie.

How would the previous sentence be correctly capitalized?
Answer: He received his B.A. from Cambridge and remained there to study for his doctorate under Shaun Wylie.
espai 13 is an additional space dedicated to experimental artists where they have free-reign over the space to display their piece(s).

How would the previous sentence be correctly capitalized?
Answer: Espai 13 is an additional space dedicated to experimental artists where they have free-reign over the space to display their piece(s).