What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, if x_7 writes a letter, then x_7 is driving a car. There is at least one x_7 for which if x_7 makes tea, then x_7 is writing a letter. For all x_7, x_7 is excited or x_7 will not drive a car.
There is at least one x_7 for which if x_7 makes tea, then x_7 is driving a car. For all x_7, if x_7 drives a car, then x_7 is excited.