(S (S (BASENP (DT The) (NNS findings)) (VP (VBP have) (VP (VBN suggested) (NP (NP (BASENP (DT a) (NN preference)) (PP (IN of) (BASENP (NN male)))) (PP (IN over) (BASENP (JJ female) (NNS children))))))) (PERIOD .))