Question: linden dollars created for use in second life are an example of
[{'answer': 'virtual currency', 'provenance': [{'wikipedia_id': '589192', 'title': 'Second Life', 'start_paragraph_id': 3, 'start_character': 98, 'end_paragraph_id': 3, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '589192', 'title': 'Second Life', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 181, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17750760584787519315}, 'section': 'Section::::Abstract.'}]}]