Question: speech sounds made with restricted airflow are known as
[{'answer': 'Consonants', 'provenance': [{'wikipedia_id': '82238', 'title': 'Articulatory phonetics', 'start_paragraph_id': 14, 'start_character': 51, 'end_paragraph_id': 14, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::The two classes of sounds.\n'}]}, {'provenance': [{'wikipedia_id': '82238', 'title': 'Articulatory phonetics', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 269, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4278672096406013912}, 'section': 'Section::::The two classes of sounds.:Consonants.\n'}]}]