question: RMB:Dollar:exchange
choices.label: A B C D
choices.text: cash:cheque:currency writing:drawing:text poetry:music:melody Chinese:English:translation
explanation: "RMB" and "Dollar" are both currencies, "RMB" and "Dollar" are one category, and the japanese yen is also a currency, "RMB" and "Dollar" can be "exchanged" with each other, "RMB" corresponds to "exchange" ", "Dollar" corresponds to "exchange". "cash" belongs to "currency", "cheque" belongs to "currency". "writing" and "painting" are both art forms, which are one category. There are other art forms besides "writing" and "painting", and "writing" and "painting" cannot be converted into each other . "music" and "poetry" are both art forms, which are one category. There are other art forms besides "music" and "poetry", and "melody" is an integral part of "music". "Chinese" and "English" are both languages, which are one category. There are other languages besides "Chinese" and "English", and "Chinese" and "English" can be "translated" to each other .
relation: RMB Dollar R2.6
relation: cash currency R2.2
relation: writing drawing R2.4
relation: music poetry R2.4
relation: music melody R2.3
relation: Chinese English R2.6