Question: who is typically responsible for preparing the presentence investigation report
[{'answer': 'probation officer', 'provenance': [{'wikipedia_id': '9271662', 'title': 'Presentence investigation report', 'start_paragraph_id': 29, 'start_character': 714, 'end_paragraph_id': 29, 'end_character': 731, 'bleu_score': 1.0, 'section': 'Section::::Purpose.\n'}]}, {'provenance': [{'wikipedia_id': '9271662', 'title': 'Presentence investigation report', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 528, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18046263199910040267}, 'section': 'Section::::Preparation.\n'}]}]