it were inside and seat while surfers .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 it)) (VP_4 (VBD_0 were) (NP_3 (NP_6 (ATNP_1 (NN_1 inside) (CC_0 and)) (NN_1 seat)) (PP_0 (IN_1 while) (NP_6 (NNS_1 surfers)))))) (DOT_0 .)))