parents can assigned who have a heavy light in the kind at a thunder .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NNS_0 parents)) (VP_4 (MD_0 can) (VP_1 (VBN_0 assigned) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (ATVP_4 (VBP_0 have) (NP_6 (ATNP_1 (DT_0 a) (JJ_1 heavy)) (NN_1 light))) (PP_2 (IN_0 in) (NP_3 (NP_5 (DT_0 the) (NN_2 kind)) (PP_0 (IN_1 at) (NP_5 (DT_0 a) (NN_2 thunder))))))))))) (DOT_0 .)))