question: candle:electric light
choices.label: A B C D
choices.text: chair:writing desk tea cup:water dispenser mop:vacuum cleaner tv:computer
explanation: the function of "candle" and "electric lamp" is to illuminate, and "candle" appeared earlier than "electric light". "chair" is a kind of sitting equipment, and "writing desk" is used for writing at a desk. "chair" and "writing desk" have different functions, which are inconsistent with the logic of the query. "teacup" refers to a tool used to hold tea, and a "water dispenser" heats or cools the water and makes it convenient for people to drink. "teacup" and "water dispenser" have different functions. both "mops" and "vacuum cleaners" are used to remove dust, and "mops" appeared earlier than "vacuum cleaners". "tv" is used to broadcast tv programs, "computer" is mainly used to process data, "tv" and "computer" have different functions.
relation: candle electric light R2.4
relation: mop vacuum cleaner R2.4