original: Out of 18,217 participants in the national casting, she was chosen among the 19 candidates to appear on the TV show.
simplifications: Out of 18,217 participants, she was chosen from 19 candidates to be on the TV show. She was picked out of 18,217 other people to be on the TV show. Of 18,217 participants in the national casting, she was chosen as one of the 19 candidates to appear on the TV show. There were 18,217 participants in the national casting. She was chosen to be one of 19 candidates to be on the TV show. She was chosen t be one of the 19 candidates appearing on the TV show out of the entire national casting tryouts. She was chosen to be one of the 19 candidates on the TV show. Out of 18,217 people cast, she was one of the 19 chosen to appear on TV. There were 18,217 participants in the national casting. She was chosen among the 19 candidates to appear on the TV show. Out of 18,217 people in the national casting, she was picked among the 19 candidates to be on the TV show. Out of 18,217 partakers in the national casting, she was chosen among the 19 candidates to appear on the TV show.