Analyzer
Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
川
river; stream; River; the ... rivernoun, suffix
は
topic markergrammar
ラフティング
raftingnoun
に
direction, time, indirect object, or target markergrammar
最適
optimal; best; most suitablena-adjective, noun
だ。
plain copulagrammar