AnalyzerSentence analysis3SpansSentence活力の源1000 character limitAnalyzeSentence活かつ力りょくの源みなもとSpan Details活かつ力りょくvitality; energy; dynamismnounのpossession, attribution, nominalizer, or nominal linkergrammar源みなもとsource of a river; fountainhead; source; origin; rootnoun