AnalyzerSentence analysis4SpansSentence四酸化三鉛1000 character limitAnalyzeSentence四し酸さん化か三さん鉛なまりSpan Details四しfour; 4numeric酸さん化かoxidation; oxidizationnoun, suru verb三さんthree; 3numeric三さんthree鉛なまりlead (Pb)noun