question: Dana wants things to slide around easily without too much friction, so she uses oil in amounts that are
choices.text: greater smaller
choices.label: A B
para: To reduce friction, oil is added to the engine.
para_anno.effect_prop: oil
para_anno.cause_dir_str: reduce
para_anno.effect_dir_str: added
para_anno.cause_dir_sign: LESS
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: friction
question_anno.more_effect_dir: greater amounts
question_anno.less_effect_dir: smaller amounts
question_anno.less_cause_prop: friction
question_anno.more_effect_prop: oil
question_anno.less_effect_prop: oil
question_anno.less_cause_dir: oil