Question: what is the mark in a contraction called
[{'answer': 'apostrophe', 'provenance': [{'wikipedia_id': '59126', 'title': 'Apostrophe', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '59126', 'title': 'Apostrophe', 'start_paragraph_id': 55, 'start_character': 0, 'end_paragraph_id': 55, 'end_character': 247, 'bleu_score': 0.5004727477301361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7395599866257055088}, 'section': 'Section::::Usage in English.:Possessive apostrophe.:General principles for the possessive apostrophe.\n'}]}]