What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 will go running or x_8 is curious. For all x_8, x_8 is an astronaut if and only if x_8 is curious. For all x_8, x_8 will go running if and only if x_8 is an astronaut.
For all x_8, if x_8 were an astronaut, then x_8 is curious. For all x_8, if x_8 goes running, then x_8 is an astronaut. For all x_8, if x_8 were curious, then x_8 is an astronaut. For all x_8, if x_8 were an astronaut, then x_8 is running.