Question: list four plant structures in which you would find vascular tissue
[{'answer': 'xylem', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'phloem', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 169, 'end_paragraph_id': 1, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'vascular cambium', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 303, 'end_paragraph_id': 1, 'end_character': 319, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'cork cambium', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 328, 'end_paragraph_id': 1, 'end_character': 340, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16136837928688924516}, 'section': 'Section::::Abstract.'}]}]