Consider the following premises. For all x_16, x_16 is a poet. There is at least one x_16 for which x_16 is a server. For all x_16, if x_16 were a server, then x_16 is a sailor. For all x_16, x_16 is a poet if and only if x_16 is excited. Can we infer the following from them? There is at least one x_16 for which x_16 is a server.
That is one of the premises. Therefore, the answer is yes.