question: John was looking at the lights passing through the object. He noticed that the less dense the medium, the light would move
choices.text: Faster Slower
choices.label: A B
para: The more dense the medium, the slower the light moves.
para_anno.effect_prop: light
para_anno.cause_dir_str: more
para_anno.effect_dir_str: slower
para_anno.cause_dir_sign: MORE
para_anno.effect_dir_sign: LESS
para_anno.cause_prop: dense
question_anno.more_effect_dir: faster
question_anno.less_effect_dir: slower
question_anno.less_cause_prop: medium
question_anno.more_effect_prop: light
question_anno.less_effect_prop: light
question_anno.less_cause_dir: light