question: What are most crags formed by?
choices.text: hurricanes permeable walls melting glaciers lamphreys tornadoes coarse grit dogs unicellular organisms
choices.label: A B C D E F G H
fact2: Most of the crags are boulders.
combinedfact: most crags are formed by melting glaciers
formatted_question: What are most crags formed by? (A) hurricanes (B) permeable walls (C) melting glaciers (D) lamphreys (E) tornadoes (F) coarse grit (G) dogs (H) unicellular organisms