(S (S (SBAR (S (SBAR (S (PP-SBJ (BASENP (NNP コーン)) (IN は)) (VP (ADVP (NN 明らか) (INRB に)) (VP (BASENP (NN 以前)) (COMMA 、) (VP (PP (BASENP (NN 大学)) (IN で)) (VP (PP-OBJ (BASENP (NN チラシ)) (IN を)) (VBV 配っ)))))) (INTE て)) (S-NSBJ (VP (PP-OBJ (BASENP (NN 教授)) (IN を)) (VP (VP (VBO 困ら) (VP (VBV せ))) (VP (MD た)))))) (INCON が)) (COMMA 、) (S (PP (NP (PP (BASENP (NN 最後)) (IN の)) (BASENP (NN 数) (NN 日間))) (IN で)) (S (PP-SBJ (BASENP (NN 脅迫)) (IN は)) (VP (ADVP (RB 一層)) (VP (PP (BASENP (NN 過激)) (IN に)) (VP (VBV なっ) (VP (MD た)))))))) (PERIOD 。))
コーン は 明らか に 以前 、 大学 で チラシ を 配っ て 教授 を 困ら せ た が 、 最後 の 数 日間 で 脅迫 は 一層 過激 に なっ た 。
Korn had apparently distributed fliers on campus before and harassed professors but over the last few days the threats had become more extreme .