Question: when are hominids now thought to have differentiated from the ancestors shared with the african apes
[{'answer': 'roughly 14 million years ago', 'provenance': [{'wikipedia_id': '19773811', 'title': 'Hominidae', 'start_paragraph_id': 3, 'start_character': 313, 'end_paragraph_id': 3, 'end_character': 341, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19773811', 'title': 'Hominidae', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 588, 'bleu_score': 0.978138775770484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15183226817417445654}, 'section': 'Section::::Abstract.'}]}]