What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it snows, then David is excited. David is not cooking. For all x_7, x_7 will cook if and only if x_7 is excited.
For all x_7, if x_7 cooks, then x_7 is excited. For all x_7, if x_7 were excited, then x_7 is cooking.