Please capitalize where necessary: previously a workers’ restaurant and a printing house, overgaden was turned into an exhibition space on the initiative of a fashion designer and is today an important platform for the experimental arts as well as a forum for discussion and debate.
A: Previously a workers’ restaurant and a printing house, Overgaden was turned into an exhibition space on the initiative of a fashion designer and is today an important platform for the experimental arts as well as a forum for discussion and debate.

Please capitalize where necessary: like many girls, and boys like to dress as beautiful to look more presentable...
A: Like many girls, and boys like to dress as beautiful to look more presentable...

Please capitalize where necessary: paying careful attention to your dog’s head during the examination. your veterinarian may be able to feel a decrease in the amount of muscle on the sides of your dog’s head, along with a thickening of the bone along the sides of the jaws.
A: Paying careful attention to your dog’s head during the examination. your veterinarian may be able to feel a decrease in the amount of muscle on the sides of your dog’s head, along with a thickening of the bone along the sides of the jaws.

Please capitalize where necessary: the inquiry is generally based on statements from very few key persons.
A:
The inquiry is generally based on statements from very few key persons.