What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Patricia were an astronaut, then Richard is a scientist. Patricia is an astronaut or Richard is an electrician. For all x_19, if x_19 were an electrician, then x_19 is a scientist. It is sunny or Richard is not a scientist.
If Richard were bored, then Patricia is an astronaut. If Richard were a scientist, then it is sunny.