Question: when do babies become able to distinguish different speech sounds
[{'answer': 'as young as 1 month', 'provenance': [{'wikipedia_id': '16415709', 'title': 'Phonological development', 'start_paragraph_id': 9, 'start_character': 8, 'end_paragraph_id': 9, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Prelinguistic development (birth – 1 year).:Perception.:1 month.:Categorical perception.\n'}]}, {'provenance': [{'wikipedia_id': '16415709', 'title': 'Phonological development', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 642, 'bleu_score': 0.910785736208463, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 430027740351169872}, 'section': 'Section::::Prelinguistic development (birth – 1 year).:Perception.:1 month.:Categorical perception.\n'}]}]