question: If Milo's bike chain is not moving well and he adds no oil to it, what will happen to the levels of friction the chain experiences?
choices.text: increase decrease
choices.label: A B
para: To reduce friction, oil is added to the engine.
para_anno.effect_prop: friction
para_anno.cause_dir_str: added
para_anno.effect_dir_str: reduce
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: LESS
para_anno.cause_prop: oil
question_anno.more_effect_dir: increase
question_anno.less_effect_dir: decrease
question_anno.less_cause_prop: oil
question_anno.more_effect_prop: friction
question_anno.less_effect_prop: friction
question_anno.less_cause_dir: friction