What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x were excited, then x is sad. For all x, x is a police officer or x is an artist. For all x, if x were a police officer, then x is excited. There is at least one x for which if x were an artist, then x is drinking water. For all x, if x were sad, then x is drinking water.
For all x, if x were excited, then x is drinking water. For all x, if x were a police officer, then x is sad.