What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, if x_12 were excited, then x_12 is not a bartender. For all x_12, x_12 is a bartender. It is sunny if and only if Jennifer is excited.
If it is sunny, then Jennifer is excited. If Jennifer were excited, then it is sunny. For all x_12, x_12 is not excited.