question: delicate:rough
choices.label: A B C D
choices.text: river water:sea water peak:abyss violate:follow doubt:faith
explanation: "delicate" and "rough" mean the opposite. "river water" and "sea water" belong to water. "peak" and "abyss" belong to geographic features. "violate" and "follow" are opposed. the opposite of "doubt" is trust, not "faith".
relation: delicate rough R1.2
relation: river water sea water R2.4
relation: peak abyss R2.4