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Sentence analysis
7Spans
Sentence
Span Details
被験者
subject; test subject; trial subject; examinee; person undergoing an examinationnoun
は
topic markergrammar
全員、
all members; everyone; all handsnoun, adverb
同意書
consent form; letter of consentnoun
に
direction, time, indirect object, or target markergrammar
サイン
autograph; signature; sign; signal; indicationnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar