AnalyzerSentence analysis4SpansSentence山登りは大変だった。1000 character limitAnalyzeSentence山やま登のぼりは大たい変へんだった。Span Details山やま登のぼりmountain climbing; mountaineeringnounはtopic markergrammar大たい変へんvery; greatly; awfully; serious; grave; immense; terrible; difficult; hard; tough; major incident; disasteradverb, na-adjective, nounだった。past copulagrammar