AnalyzerSentence analysis2SpansSentence合同祝賀会1000 character limitAnalyzeSentence合ごう同どう祝しゅく賀が会かいSpan Details合ごう同どうcombination; joining; merger; joint; combined; shared; congruence; congruentnoun, suru verb, no-adjective祝しゅく賀が会かいcelebration; congratulatory partynoun