What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, if x_8 drinks water, then x_8 is a nurse. For all x_8, if x_8 were a server, then x_8 is a sailor. For all x_8, if x_8 were a sailor, then x_8 is drinking water. For all x_8, if x_8 were a nurse, then x_8 is a server.
For all x_8, if x_8 drinks water, then x_8 is a server. For all x_8, if x_8 were a server, then x_8 is drinking water. For all x_8, if x_8 were a sailor, then x_8 is a nurse. For all x_8, if x_8 were a nurse, then x_8 is a sailor.