question: Sally is pulling two wagons. The red wagon is full of sand, and the blue wagon is empty. The wagon that will be more difficult to pull is the
choices.text: red wagon blue wagon
choices.label: A B
para: The full box is harder to move because it has greater mass and therefore greater inertia.
para_anno.effect_prop: inertia
para_anno.cause_dir_str: greater
para_anno.effect_dir_str: greater
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: MORE
para_anno.cause_prop: mass
question_anno.more_effect_dir: more
question_anno.less_cause_prop: wagon
question_anno.more_effect_prop: difficult to pull