AnalyzerSentence analysis4SpansSentence活動を開始する1000 character limitAnalyzeSentence活かつ動どうを開かい始しするSpan Details活かつ動どうactivity; action; operation; moving picture (obs. abbr.)noun, suru verbをobject markergrammar開かい始しstart; beginning; commencementnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar