question: candle:electric light
choices.label: A B C D
choices.text: abacus:computer carrier pigeon:telegraph television:movies
explanation: "candle" and "light" share the same function, and both "candle" and "light" are man-made. both "abacus" and "computer" have the function of calculation, and both "abacus" and "computer" are man-made. both "carrier pigeons" and "telegraphs" have the function of transmitting information, but "carrier pigeons" are animals, not man-made objects. "firecrackers" are mainly used for celebration, and "muskets" are mainly used for shooting. "firecrackers" and "muskets" have different functions. a "television" is an important communication tool, while "movie" is a modern art, and "television" and "movie" have different functions.
relation: candle electric light R2.4