What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, if x_14 sleeps, then x_14 is working. For all x_14, if x_14 were sad, then x_14 is sleeping. For all x_14, x_14 is sad or x_14 is a politician. There is at least one x_14 for which x_14 will sleep if and only if x_14 is a politician.
For all x_14, if x_14 were sad, then x_14 is working. There is at least one x_14 for which if x_14 sleeps, then x_14 is a politician. There is at least one x_14 for which if x_14 were a politician, then x_14 is sleeping.