AnalyzerSentence analysis5SpansSentence博士課程に在籍している1000 character limitAnalyzeSentence博はく士し課か程ていに在ざい籍せきしているSpan Details博はく士し課か程ていdoctoral course; PhD programnounにdirection, time, indirect object, or target markergrammar在ざい籍せきenrollment; registration; membershipnoun, suru verbしlight/support verb with a noun or noun-like phrase-> するgrammarているongoing or resultant stategrammar