around gravel could stretch stones And <apostrophe>s , to .
(ROOT_0 (S_0 (ATS_3 (NP_1 (IN_2 around) (NN_3 gravel)) (VP_4 (MD_0 could) (VP_1 (ATVP_3 (ATVP_2 (VB_0 stretch) (NP_4 (ATNP_0 (NP_4 (NNS_1 stones)) (CC_0 And)) (POS_0 <apostrophe>s))) (COMMA_0 ,)) (S_2 (TO_0 to))))) (DOT_0 .)))