(S (S (NP (EX There)) (VP (VBD were) (NP (NNS concerns) (SBAR (IN that) (S (BASENP (NNS doctors)) (VP (PRN (COMMA ,) (PP (IN in) (BASENP (DT the) (NN future))) (COMMA ,)) (VP (MD might) (VP (ADVP (RB only)) (VP (VB be) (VP (VBN trained) (PP (IN in) (BASENP (DT the) (JJ remote) (NN control) (NN procedure))))))))))))) (PERIOD .))