(S (S (S (VP (TO To) (VP (VB avoid) (NP (BASENP (NN panic)) (PP (IN at) (BASENP (NN train) (NNS stations))))))) (COMMA ,) (S (NP (BASENP (NNS workers)) (PP (IN with) (BASENP (NNS megaphones)))) (VP (VP (VBD informed) (BASENP (NNS passengers))) (PP (IN of) (BASENP (NN train) (NNS movements)))))) (PERIOD .))