Question: what are common early manifestations of parkinson's disease
[{'answer': 'shaking', 'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 281, 'end_paragraph_id': 1, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'rigidity', 'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 290, 'end_paragraph_id': 1, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'slowness of movement', 'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 300, 'end_paragraph_id': 1, 'end_character': 320, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'difficulty with walking', 'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 326, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Thinking and behavioral problems', 'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 351, 'end_paragraph_id': 1, 'end_character': 383, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22228064', 'title': "Parkinson's disease", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 707, 'bleu_score': 0.8276416281246041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6321586643547204349}, 'section': 'Section::::Abstract.'}]}]