Question: who has the power to negotiate treaties with other countries
[{'answer': 'President of the United States', 'provenance': [{'wikipedia_id': '16496156', 'title': 'Treaty Clause', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16496156', 'title': 'Treaty Clause', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 388, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9216007687373464419}, 'section': 'Section::::Abstract.'}]}]