(S (S (S (BASENP (NN One) (NN person)) (VP (VBD was) (VP (VP (VP (VBN crushed) (CC and) (VBN killed)) (PP (IN by) (BASENP (DT a) (VBG falling) (NN tree)))) (PP (IN in) (BASENP (NNP Amherst)))))) (COMMA ,) (SBAR (IN while) (S (PP (IN in) (NP (BASENP (DT the) (NN process)) (PP (IN of) (S (VP (VP (VBG removing) (BASENP (NN snow))) (PP (IN from) (BASENP (PRPD his) (NN property))))))))))) (PERIOD .))