question: water:fire
choices.label: A B C D
choices.text: beautiful:ugly have:not have left:right red:green
explanation: "water" and "fire" are a parallel relationship. the two are not opposite at the semantic level. "beautiful" and "ugly" are a parallel relationship. the two are opposite at the semantic level. "having" and "not having" are an either-or relationship. the two are parallel contradictory and not opposite at the semantic level. "left" and "right" are a parallel relationship. the two are opposite at the semantic level. "red" and "green" are a parallel relationship. the two are not opposite at the semantic level.
relation: water fire R2.6
relation: beautiful ugly R1.2
relation: have not have R2.5
relation: left right R2.6
relation: left right R1.2
relation: red green R2.6