Question: which stis are linked to instances of pelvic inflammatory disease
[{'answer': 'chlamydial infection', 'provenance': [{'wikipedia_id': '24579', 'title': 'Pelvic inflammatory disease', 'start_paragraph_id': 2, 'start_character': 282, 'end_paragraph_id': 2, 'end_character': 302, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'gonorrhea infection', 'provenance': [{'wikipedia_id': '24579', 'title': 'Pelvic inflammatory disease', 'start_paragraph_id': 2, 'start_character': 334, 'end_paragraph_id': 2, 'end_character': 353, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24579', 'title': 'Pelvic inflammatory disease', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 880, 'bleu_score': 0.9587445563542241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3865484322020868325}, 'section': 'Section::::Abstract.'}]}]