Question: what is the meaning of flying the us flag upside down
[{'answer': 'a distress signal', 'provenance': [{'wikipedia_id': '536874', 'title': 'Flag desecration', 'start_paragraph_id': 195, 'start_character': 159, 'end_paragraph_id': 195, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::By jurisdiction.:United States.:Flying a U.S. flag upside down.\n'}]}, {'answer': 'an act of desecration', 'provenance': [{'wikipedia_id': '536874', 'title': 'Flag desecration', 'start_paragraph_id': 195, 'start_character': 319, 'end_paragraph_id': 195, 'end_character': 340, 'bleu_score': 1.0, 'section': 'Section::::By jurisdiction.:United States.:Flying a U.S. flag upside down.\n'}]}, {'answer': 'a statement about distress in civic , political , or other areas'}, {'provenance': [{'wikipedia_id': '536874', 'title': 'Flag desecration', 'start_paragraph_id': 195, 'start_character': 15, 'end_paragraph_id': 195, 'end_character': 661, 'bleu_score': 0.9046502897985961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15055553585607776295}, 'section': 'Section::::By jurisdiction.:United States.:Flying a U.S. flag upside down.\n'}]}]