tokens: I 'm looking for a solution which wo n't force me to reinitialize the entire pipeline after coming back to the foreground - Hoping there is such a solution , that AVAssetReaders can survive the app going to background and back. .
ner_tags: O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-Class O O O O O O O O O O