Question: what is the liturgical color for holy thursday
[{'answer': 'White', 'provenance': [{'wikipedia_id': '161235', 'title': 'Liturgical colours', 'start_paragraph_id': 1, 'start_character': 144, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]