AnalyzerSentence analysis3SpansSentence往復の航空券1000 character limitAnalyzeSentence往おう復ふくの航こう空くう券けんSpan Details往おう復ふくround trip; going and returning; round-trip ticket; return ticket; correspondence; exchange of letters; visiting each other; socializingnoun, suru verbのpossession, attribution, nominalizer, or nominal linkergrammar航こう空くう券けんairline ticket; plane ticketnoun