What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 will not go running. For all x_7, x_7 is an office clerk if and only if x_7 is a writer. For all x_7, x_7 will go running if and only if x_7 is a writer.
For all x_7, if x_7 were an office clerk, then x_7 is a writer. For all x_7, if x_7 goes running, then x_7 is a writer. For all x_7, if x_7 were a writer, then x_7 is an office clerk. For all x_7, if x_7 were a writer, then x_7 is running. For all x_7, x_7 is not a writer.