Question: the depth sensor of the kinect uses what type of projector
[{'answer': 'infrared laser projector', 'provenance': [{'wikipedia_id': '23048428', 'title': 'Kinect', 'start_paragraph_id': 25, 'start_character': 32, 'end_paragraph_id': 25, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Technology.:Kinect for Xbox 360 (2010).\n'}]}, {'provenance': [{'wikipedia_id': '23048428', 'title': 'Kinect', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 408, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13603681916247572287}, 'section': 'Section::::Technology.:Kinect for Xbox 360 (2010).\n'}]}]