Please capitalize where necessary: this hotel is a non-smoking hotel.
A: This hotel is a non-smoking hotel.

Please capitalize where necessary: other alternate diagnoses include chronic bronchial disease or pulmonary edema.
A: Other alternate diagnoses include chronic bronchial disease or pulmonary edema.

Please capitalize where necessary: man is not developed enough, which means that his sense of logic concerning the purely bodily and mental area is not so advanced that with this sense of logic he can ensure himself a perfectly logical control of his innate life-force.
A: Man is not developed enough, which means that his sense of logic concerning the purely bodily and mental area is not so advanced that with this sense of logic he can ensure himself a perfectly logical control of his innate life-force.

Please capitalize where necessary: the fastest and easiest way to open your dr$ file is to double-click it.
A:
The fastest and easiest way to open your DR$ file is to double-click it.