Question: what are the 4 freedoms of the eu
[{'answer': 'goods', 'provenance': [{'wikipedia_id': '1954570', 'title': 'European Single Market', 'start_paragraph_id': 1, 'start_character': 126, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'capital', 'provenance': [{'wikipedia_id': '1954570', 'title': 'European Single Market', 'start_paragraph_id': 1, 'start_character': 133, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'services', 'provenance': [{'wikipedia_id': '1954570', 'title': 'European Single Market', 'start_paragraph_id': 1, 'start_character': 142, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'labour', 'provenance': [{'wikipedia_id': '1954570', 'title': 'European Single Market', 'start_paragraph_id': 1, 'start_character': 156, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1954570', 'title': 'European Single Market', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 443, 'bleu_score': 0.591056745088952, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18394864249554216859}, 'section': 'Section::::Abstract.'}]}]