(S (S (ADVP (RB Then) (RB later)) (COMMA ,) (S (BASENP (DT the) (JJ 4th) (NN Infantry)) (VP (VBD was) (NP (BASENP (DT the) (NN first)) (SBAR (S (VP (TO to) (VP (VB enter) (BASENP (NNP Germany)))))))))) (PERIOD .))