父兄は、生徒の間での白血病の多発を含めた学校や職場での健康問題についての懸念を表明し、何年も求めてきた対話を始めた。
(S (S (PP-SBJ (BASENP (NN 父兄)) (IN は)) (COMMA 、) (VP (VP (PP-OBJ (NP (PP (PP (NP (S-REL-NSBJ (VP (PP-OBJ (NP (PP (PP (NP (PP (BASENP (NN 生徒)) (IN の)) (NN 間)) (IN で)) (IN の)) (NP (PP (BASENP (NN 白血病)) (IN の)) (NN 多発))) (IN を)) (VP (VBV 含め) (VP (MD た))))) (NP (PP (PP (BASENP (NN 学校) (CC や) (NN 職場)) (IN で)) (IN の)) (BASENP (NN 健康) (NN 問題)))) (INPH について)) (IN の)) (NN 懸念)) (IN を)) (VP (NN 表明) (VBV し))) (COMMA 、) (VP (PP-OBJ (NP (S-REL (PP (BASENP (NN 何) (NN 年)) (IN も)) (S-NSBJ-NOBJ (VP (VP (VBV 求め) (INTE て)) (VP (VBV き) (VP (MD た)))))) (NN 対話)) (IN を)) (VP (VBV 始め) (VP (MD た)))))) (PERIOD 。))