What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, if x_14 were a server, then x_14 is writing a letter. There is at least one x_14 for which x_14 will write a letter if and only if x_14 will take a plane. For all x_14, if x_14 writes a letter, then x_14 is a politician. For all x_14, x_14 is a server or x_14 will take a plane.
For all x_14, if x_14 were a server, then x_14 is a politician. There is at least one x_14 for which if x_14 writes a letter, then x_14 is taking a plane. There is at least one x_14 for which if x_14 takes a plane, then x_14 is writing a letter.