AnalyzerSentence analysis2SpansSentence自然消滅する1000 character limitAnalyzeSentence自し然ぜん消しょう滅めつするSpan Details自し然ぜん消しょう滅めつnatural extinction; dying a natural death; coming to a natural end; ghosting; sudden unexplained end of communicationnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar