Question: how do they test for weed in your system
[{'answer': 'urinalysis', 'provenance': [{'wikipedia_id': '35574244', 'title': 'Cannabis drug testing', 'start_paragraph_id': 1, 'start_character': 174, 'end_paragraph_id': 1, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'hair analysis', 'provenance': [{'wikipedia_id': '35574244', 'title': 'Cannabis drug testing', 'start_paragraph_id': 1, 'start_character': 186, 'end_paragraph_id': 1, 'end_character': 199, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'saliva tests', 'provenance': [{'wikipedia_id': '35574244', 'title': 'Cannabis drug testing', 'start_paragraph_id': 1, 'start_character': 212, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35574244', 'title': 'Cannabis drug testing', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 0.950578622812921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2476562651888461745}, 'section': 'Section::::Abstract.'}]}]