Question: what kind of dog is the mack truck mascot
[{'answer': 'bulldog', 'provenance': [{'wikipedia_id': '286779', 'title': 'Mack Trucks', 'start_paragraph_id': 148, 'start_character': 85, 'end_paragraph_id': 148, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Products.:Previous models.:AC.\n'}]}, {'provenance': [{'wikipedia_id': '286779', 'title': 'Mack Trucks', 'start_paragraph_id': 166, 'start_character': 0, 'end_paragraph_id': 166, 'end_character': 290, 'bleu_score': 0.908198718008664, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11132871186864769067}, 'section': 'Section::::Trademark.\n'}]}]