AnalyzerSentence analysis5SpansSentence封筒に上書きをする。1000 character limitAnalyzeSentence封ふう筒とうに上うわ書がきをする。Span Details封ふう筒とうenvelopenounにdirection, time, indirect object, or target markergrammar上うわ書がきsuperscription; address on mail; overwriting; overwritenoun, suru verbをobject markergrammarする。light/support verb with a noun or noun-like phrasegrammar