What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_7 for which x_7 is a nurse if and only if x_7 will make tea. For all x_7, x_7 will sleep or x_7 is not a nurse.
For all x_7, if x_7 were a nurse, then x_7 is sleeping. There is at least one x_7 for which if x_7 were a nurse, then x_7 is making tea. There is at least one x_7 for which if x_7 makes tea, then x_7 is a nurse.