then there was recitation from the writing contest for young people.

How would the previous sentence be correctly capitalized?
Answer: Then there was recitation from the writing contest for young people.
lead your troops into battle against the computer opponent in a race to capture your enemy's flag.

How would the previous sentence be correctly capitalized?
Answer: Lead your troops into battle against the computer opponent in a race to capture your enemy's flag.
another program maliciously or mistakenly deleted customat.hlp-related files.

How would the previous sentence be correctly capitalized?
Answer: Another program maliciously or mistakenly deleted CUSTOMAT.HLP-related files.
according to the ren21 renewables global status report 2009 update, global power capacity from renewable energy sources (excluding large hydro) in 2008 rose by 16 percent compared with 2007.

How would the previous sentence be correctly capitalized?
Answer: According to the REN21 Renewables Global Status Report 2009 Update, global power capacity from renewable energy sources (excluding large hydro) in 2008 rose by 16 percent compared with 2007.