the only moan of the air wore visible . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 only)) (NN_1 moan)) (PP_0 (IN_1 of) (NP_4 (DT_0 the) (NN_2 air)))) (VP_4 (VBD_1 wore) (ADJP_0 (JJ_0 visible)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))