{'declarativized': 'marine fossils found in mountains provide the best evidence that the environment of earth has changed over millions of years', 'correct': True, '__index_level_0__': 507}
marine fossils found in mountains provide the best evidence that the environment of earth has changed over millions of years True 507
{'declarativized': 'marine fossils found in mountains provide the best evidence that the environment of earth has changed over millions of years', 'correct': True, '__index_level_0__': 507}