What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y, y is not a doctor or y will make tea. For all y, if y makes tea, then y is driving a car. For all y, y is a doctor or y is a scientist. For all y, if y were a scientist, then y is driving a car.
For all y, y is a scientist or y will make tea.