Analyzer
Sentence analysis
8Spans
Sentence
Span Details
周囲
surroundings; environs; vicinity; circumference; perimeternoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
人々
people; men and women; each person; everybodynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
協力
cooperation; collaboration; help; supportnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar