What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 will go running. For all x_9, if x_9 works, then x_9 is making tea. For all x_9, if x_9 goes running, then x_9 is making tea. For all x_9, x_9 is not a taxi driver. For all x_9, x_9 is a taxi driver or x_9 will write a letter.
For all x_9, x_9 will make tea. For all x_9, x_9 will write a letter.