The first one has the correct capitilization.
The Associated Press is an independent global news organization dedicated to factual reporting. Founded in 1846, AP today remains the most trusted source of fast, accurate, unbiased news in all formats and the essential provider of the technology and services vital to the news business.
1. The boys are full of mischief and always looking for trouble.
2. I waited at the starting line to begin the race.
3. He arrived late because he had an appointment elsewhere.
4. After much discussion, he approved the project.
Hope that helps!