Question: where in the constitution is the executive branch referenced
[{'answer': 'Article Two', 'provenance': [{'wikipedia_id': '31647', 'title': 'Article Two of the United States Constitution', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31647', 'title': 'Article Two of the United States Constitution', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 233, 'bleu_score': 0.527897736391961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14668822545806886482}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31647', 'title': 'Article Two of the United States Constitution', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['Section 1 of Article Two establishes the positions of the president and the vice president, and sets the term of both offices at four years.', "Section 1 of Article Two establishes the positions of the president and the vice president, and sets the term of both offices at four years. Section 1's Vesting Clause declares that the executive power of the federal government is vested in the president"]}}]}]