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 fast. For all x_7, if x_7 were fast, then x_7 is cooking. For all x_7, x_7 is a cashier and x_7 will sleep.
There is at least one x_7 for which x_7 will cook. For all x_7, x_7 is a cashier. For all x_7, x_7 will sleep.