{'declarativized': 'sand is formed by mineral deposits hardening into solid rock in underground caves', 'correct': False, '__index_level_0__': 1919}
sand is formed by mineral deposits hardening into solid rock in underground caves False 1919
{'declarativized': 'sand is formed by mineral deposits hardening into solid rock in underground caves', 'correct': False, '__index_level_0__': 1919}