and a gravel but feathers , , asked .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (ATNP_2 (ATNP_2 (ATNP_0 (ATNP_2 (DT_0 a) (NN_3 gravel)) (CC_0 but)) (NP_3 (NNS_1 feathers))) (COMMA_0 ,)) (COMMA_0 ,))) (VP_3 (VBD_0 asked))) (DOT_0 .)))