(QT (DQL 「) (S (PP-SBJ (NP (PP (BASENP (NN 獣) (NN 医師)) (IN の)) (NN 証言)) (IN は)) (VP (NP (PP (BASENP (NN 調査)) (IN の)) (BASENP (ADJP (NN 重要) (MDO な)) (NN 部分))) (MD だ))) (DQR 」))
「 獣 医師 の 証言 は 調査 の 重要 な 部分 だ 」
`` Statements by veterinary surgeons are a significant part of the investigation . ''