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_14 for which x_14 is an office clerk or x_14 is not sad. For all x_14, x_14 will take a plane or x_14 is sad. For all x_14, if x_14 were a server, then x_14 is an office clerk. For all x_14, x_14 will not take a plane or x_14 is a server.
For all x_14, x_14 is sad or x_14 is a server. There is at least one x_14 for which if x_14 were sad, then x_14 is an office clerk.