Does the subject want to ask, "Which is cheaper, two bottles of 4 kg of tea seed oil are 560 yuan or two bottles of 3 kg of tea seed oil are 540 yuan?" Two bottles of 4 kg tea seed oil are cheap. According to the relevant public information, two bottles of 4 kg tea seed oil are from 560 yuan, so one kg tea seed oil is from 70 yuan, while two bottles of 3 kg tea seed oil are from 540 yuan, and the price of one kg tea seed oil is from 90 yuan, so two bottles of 4 kg tea seed oil are cheap.