birthdays is not obligated to investigate, monitor, mediate or resolve any dispute you may have with another user of the service although we may undertake such action in its sole discretion. in the event of a dispute with another user of the service, you agree (a) to indemnify us from any liability and (b) that we will not be liable, for any type of damages or for any type of claim or demand arising out of or related to any dispute you may have with any other user of the service.

How would the previous sentence be correctly capitalized?
Answer: Birthdays is not obligated to investigate, monitor, mediate or resolve any dispute you may have with another user of the Service although we may undertake such action in its sole discretion. In the event of a dispute with another user of the Service, you agree (a) to indemnify us from any liability and (b) that we will not be liable, for any type of damages or for any type of claim or demand arising out of or related to any dispute you may have with any other user of the Service.
bulgarian is a south slavic language. it is spoken in bulgaria by close to 8 million people.

How would the previous sentence be correctly capitalized?
Answer: Bulgarian is a south Slavic language. It is spoken in Bulgaria by close to 8 million people.
gardena hand cylinder lawnmower 400 is environment-friendly and function without electricity.

How would the previous sentence be correctly capitalized?
Answer: GARDENA Hand Cylinder Lawnmower 400 is environment-friendly and function without electricity.
this requirement helps reduce emissions of pops from car-breakers.

How would the previous sentence be correctly capitalized?
Answer: This requirement helps reduce emissions of POPs from car-breakers.