question: blue:melancholy
choices.label: A B C D
choices.text: black:humor purple:elegance white:horror red:striking
explanation: "blue" can be likened to "melancholy". "black" cannot be a metaphor for "humor. "black" symbolizes solemnity and calmness. "purple" can be likened to "elegance". "white" cannot be a metaphor for "horror". "white" symbolizes fairness and purity. "red" cannot be a metaphor for "striking". "red" symbolizes vitality and enthusiasm.
relation: blue melancholy R3.4
relation: purple elegance R3.4