question: dynamic:static
choices.label: A B C D
choices.text: east:west poor:rich black:white crooked:straight
explanation: "dynamic" and "static" contradict each other. both "east" and "west" belong to orientation, as well as south and north. both "poor" and "rich" belong to the wealthy status, as well as medium. both "black" and "white" belong to colors, as well as red, yellow and so on. "crooked" and "straight" contradict each other.