{'declarativized': 'when a block of iron is melted, the iron particles gain mass', 'correct': False, '__index_level_0__': 1693}
when a block of iron is melted, the iron particles gain mass False 1693
{'declarativized': 'when a block of iron is melted, the iron particles gain mass', 'correct': False, '__index_level_0__': 1693}