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_12 for which x_12 is not an artist. For all x_12, x_12 will drink water if and only if x_12 is excited. For all x_12, x_12 is excited if and only if x_12 is an artist.
For all x_12, if x_12 drinks water, then x_12 is excited. For all x_12, if x_12 were excited, then x_12 is an artist. For all x_12, if x_12 were excited, then x_12 is drinking water. For all x_12, if x_12 were an artist, then x_12 is excited. There is at least one x_12 for which x_12 is not excited.