What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_13 for which if x_13 were a server, then x_13 is a carpenter. For all x_13, x_13 is a server. For all x_13, x_13 is a lawyer or x_13 is a nurse. For all x_13, if x_13 were a nurse, then x_13 is poor. For all x_13, if x_13 were a lawyer, then x_13 is poor.
There is at least one x_13 for which x_13 is a carpenter. For all x_13, x_13 is poor.