AnalyzerSentence analysis6SpansSentence長距離走は持久力が必要だ。1000 character limitAnalyzeSentence長ちょう距きょ離り走そうは持じ久きゅう力りょくが必ひつ要ようだ。Span Details長ちょう距きょ離り走そうlong-distance race (track and field)nounはtopic markergrammar持じ久きゅう力りょくstamina; endurance; tenacitynounがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounだ。plain copulagrammar