Question: what type of security clearance is public trust
[{'answer': 'is not a security clearance', 'provenance': [{'wikipedia_id': '2308370', 'title': 'List of U.S. security clearance terms', 'start_paragraph_id': 14, 'start_character': 58, 'end_paragraph_id': 14, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Security levels.\n'}]}, {'provenance': [{'wikipedia_id': '2308370', 'title': 'List of U.S. security clearance terms', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 366, 'bleu_score': 0.963949056609222, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14635514688567495208}, 'section': 'Section::::Security levels.\n'}]}]