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 drinks water, then x_7 is a police officer. For all x_7, if x_7 cooks, then x_7 is drinking water. For all x_7, if x_7 were a police officer, then x_7 is cooking. For all x_7, if x_7 drinks water, then x_7 is a police officer.
For all x_7, if x_7 drinks water, then x_7 is cooking. For all x_7, if x_7 cooks, then x_7 is a police officer. For all x_7, if x_7 cooks, then x_7 is a police officer. For all x_7, if x_7 were a police officer, then x_7 is drinking water. For all x_7, if x_7 drinks water, then x_7 is cooking.