question: John dropped a bowling ball and a tennis ball from the roof. Which ball would have the greatest gravitational pull?
choices.text: bowling ball or tennis ball.
choices.label: A B
para: The greater the objects mass, the greater the force of gravitational attraction.
para_anno.effect_prop: force of gravitational attraction
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: greatest
question_anno.less_cause_prop: tennis ball
question_anno.more_effect_prop: gravitational pull