Question: what are two types of vascular tissue found in most plants
[{'answer': 'xylem and phloem', 'provenance': [{'wikipedia_id': '3094833', 'title': 'Vascular tissue', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 175, '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': 6435043728194096984}, 'section': 'Section::::Abstract.'}]}]