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_10 for which x_10 will make tea if and only if x_10 will cook. For all x_10, x_10 is a nurse or x_10 will cook. For all x_10, x_10 is not a nurse or x_10 will read a book. For all x_10, x_10 will not make tea.
For all x_10, x_10 will cook or x_10 will read a book. There is at least one x_10 for which if x_10 makes tea, then x_10 is cooking. There is at least one x_10 for which if x_10 cooks, then x_10 is making tea. There is at least one x_10 for which x_10 will not cook.