请告诉我罗马数字IV到X的英文表示。请按如下格式输出：{"IV": " value ", "V": " value ", "VI": " value ", "VII": " value ", "VIII": " value ", "IX": " value ", "X": " value "}
user
{"IV": " four ", "V": " five ", "VI": " six ", "VII": " seven ", "VIII": " eight ", "IX": " nine ", "X": " ten "}
assistant