Question: where did prentiss go on criminal minds season 8
[{'answer': "Interpol 's London office", 'provenance': [{'wikipedia_id': '24977933', 'title': 'Emily Prentiss', 'start_paragraph_id': 26, 'start_character': 62, 'end_paragraph_id': 26, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::On the job.:Returning to the BAU.\n'}]}, {'provenance': [{'wikipedia_id': '24977933', 'title': 'Emily Prentiss', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 293, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10389334421214113352}, 'section': 'Section::::On the job.:Returning to the BAU.\n'}]}]