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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (MD_0 could) (VP_1 (VBN_0 worried) (NP_1 (ATNP_0 (NP_4 (ATNP_0 (NP_4 (NNS_1 surfers)) (COMMA_0 ,)) (POS_0 <apostrophe>s)) (CC_0 and)) (S_2 (NP_2 (NN_3 muscle)) (ADJP_0 (RB_0 again) (JJ_0 appropriate))))))) (DOT_0 .)))