AnalyzerSentence analysis6SpansSentence平行四辺形は点対称な図形だ。1000 character limitAnalyzeSentence平へい行こう四し辺へん形けいは点てん対たい称しょうな図ず形けいだ。Span Details平へい行こう四し辺へん形けいparallelogramnounはtopic markergrammar点てん対たい称しょうpoint symmetrynounなadnominal form of the copula after a na-adjectivegrammar図ず形けいfigure; shape; graphicnounだ。plain copulagrammar