Question: why do houses have a star on them
[{'answer': 'considered lucky', 'provenance': [{'wikipedia_id': '550308', 'title': 'Barnstar', 'start_paragraph_id': 1, 'start_character': 323, 'end_paragraph_id': 1, 'end_character': 339, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '550308', 'title': 'Barnstar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 486, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11860099332616441768}, 'section': 'Section::::Abstract.'}]}]