Question: which new technique for selling newspaper contributed to the outbreak of the spanish american war
[{'answer': 'yellow journalism', 'provenance': [{'wikipedia_id': '14137008', 'title': 'Propaganda of the Spanish–American War', 'start_paragraph_id': 1, 'start_character': 152, 'end_paragraph_id': 1, 'end_character': 169, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14137008', 'title': 'Propaganda of the Spanish–American War', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 1229, 'bleu_score': 0.9895009487746611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9097424319579989190}, 'section': 'Section::::Propaganda and the media.\n'}]}]