question: kernel:hardcore
choices.label: A B C D
choices.text: sound waves:light waves value:price water waves:glad eye symptoms:causes
explanation: "kernel" refers to the part of the object like the nucleus, by which it refers to the main content and the essence. "hardcore" refers to things that face the core audience and have a certain difficulty and threshold of appreciation, and "kernel" determines whether a thing is "hardcore". "sound wave" refers to the propagation of vibration generated by a sounding body in air or other substances, and belongs to mechanical waves. "light wave" is a kind of electromagnetic wave. both "sound wave" and "light wave" can produce interference and diffraction phenomena. "there is no obvious logical relationship between "sound wave" and "light wave" . "value" is a quantitative thing, existence, and fact that prevails in nature and human phenomena. "price" is the amount of money required per unit of commodity quantity when a commodity is exchanged with currency. "value" determines the "price" of a thing. . "water waves" refers to the waves of water. the original meaning of "glad eye" is the ripples of lake waves in the autumn wind, which is a metaphor for a woman's eyes. there is no obvious logical relationship between "water waves" and "glad eye". the "symptom" originally refers to the disease of lumps in the abdomen in traditional chinese medicine, and it is also a metaphor for the key to whether things are broken or cannot be solved. "cause" is the explanation of why things are like this.
relation: kernel hardcore R3.10
relation: value price R3.10