question: When people forgot how to farm the population
choices.text: decreased increased
choices.label: A B
para: More recently, the death rate has fallen because of the availability of more food and medical advances.
para_anno.effect_prop: death
para_anno.cause_dir_str: more
para_anno.effect_dir_str: fallen
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: LESS
para_anno.cause_prop: food and medicine
question_anno.more_effect_dir: decreased
question_anno.less_effect_dir: increased
question_anno.less_cause_prop: how to farm
question_anno.more_effect_prop: population
question_anno.less_effect_prop: population
question_anno.less_cause_dir: population