What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Sarah were poor, then it is snowing. If Sarah were an electrician, then Linda is an office clerk. If Linda were an office clerk, then Sarah is poor. If it snows, then Sarah is an electrician.
If Sarah were poor, then Sarah is an electrician. If Sarah were an electrician, then Sarah is poor. If Linda were an office clerk, then it is snowing. If it snows, then Linda is an office clerk.