we have a light lunch at hobo's; sandwich with ham, halloumi and salad. i read the cyprus mail and helle has brought her book.

How would the previous sentence be correctly capitalized?
Answer: We have a light lunch at Hobo's; sandwich with ham, halloumi and salad. I read the Cyprus Mail and Helle has brought her book.
for all pay sites arrive half an hour before the opening in the morning to avoid the queues.

How would the previous sentence be correctly capitalized?
Answer: For all pay sites arrive half an hour before the opening in the morning to avoid the queues.
a room fire can be divided into various phases.

How would the previous sentence be correctly capitalized?
Answer: A room fire can be divided into various phases.
impression of the company after x-incident

How would the previous sentence be correctly capitalized?
Answer: Impression of the company after X-incident