AnalyzerSentence analysis3SpansSentence生理が始まる1000 character limitAnalyzeSentence生せい理りが始はじまるSpan Details生せい理りphysiology; menstruation; periodnounがsubject markergrammar始はじまるbegin; start; commence; start up again; begin again; happen again; date from; originate in; have its beginnings ingodan verb