Question: what type of primary does not label the party of the candidates
[{'answer': 'nonpartisan blanket primary', 'provenance': [{'wikipedia_id': '4587587', 'title': 'Nonpartisan blanket primary', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4587587', 'title': 'Nonpartisan blanket primary', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 459, 'bleu_score': 0.587641733212198, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16793836086821494258}, 'section': 'Section::::Abstract.'}]}]