source: Out of 16,421 participants in the national casting, she was chosen among the 15 candidates to appear on the TV show.
target: Se was chosen out of 16421 people to appear on the TV show.
references: Se was chosen out of 16421 people to appear on the TV show. She was chosen to be on the TV show. She was picked to be on the TV show out of 16,421 people. She was chosen among the 15 candidates to appear on the TV show. She was chosen among the 15 candidates out of 16,421 participants to appear on the TV show. Out of 16,421 participants in the national casting, she was picked to be one of the 15 people to appear on the TV show. There were 16,421 people in the national casting call.  She was chosen from the top 15 candidates to appear on the TV show. She was chosen among 15 candidates out of 16,421 to appear on the TV show. She was chosen as one of 15 candidates to appear on the TV show. 16,421 people tried out. She was one of only 15 chosen from 16,421 for the TV show.