Question: what do you call initials that stand for something
[{'answer': 'acronym', 'provenance': [{'wikipedia_id': '1052571', 'title': 'Acronym', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'An acronym', 'provenance': [{'wikipedia_id': '1052571', 'title': 'Acronym', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1052571', 'title': 'Acronym', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 0.5755122955249581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14386162726203564422}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1052571', 'title': 'Acronym', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['An acronym is a word or name formed as a type of abbreviation from the initial components of a phrase or a word, usually individual letters, as in NATO (North Atlantic Treaty Organization) or scuba (Self-Contained Underwater Breathing Apparatus), sometimes syllables, as in Benelux (Belgium, Netherlands and Luxembourg), or a mixture of the two, as in radar (RAdio Detection And Ranging).', 'An acronym is a word or name formed as a type of abbreviation from the initial components of a phrase or a word, usually individual letters, as in NATO (North Atlantic Treaty Organization) or scuba (Self-Contained Underwater Breathing Apparatus),', 'An acronym is a word or name formed as a type of abbreviation from the initial components of a phrase or a word, usually individual letters, as in NATO (North Atlantic Treaty Organization) or scuba (Self-Contained Underwater Breathing Apparatus), sometimes syllables, as in Benelux (Belgium, Netherlands and Luxembourg), or a mixture of the two, as in radar (RAdio Detection And Ranging).']}}]}]