[[1st-class mail]] is a synonym of [[first class]]
{"dataset": "/d/wordnet/3.1", "license": "cc:by/4.0", "sources": [{"contributor": "/s/resource/wordnet/rdf/3.1"}], "surfaceEnd": "first class", "surfaceStart": "1st-class mail", "surfaceText": "[[1st-class mail]] is a synonym of [[first class]]", "weight": 2.0}
