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 poor. For all x, if x plays squash, then x is a sailor. For all x, x is excited if and only if x is a sailor. There is at least one x for which if x were poor, then x is playing squash.
There is at least one x for which if x were poor, then x is a sailor. There is at least one x for which if x were excited, then x is playing squash. For all x, if x were excited, then x is a sailor. For all x, if x were a sailor, then x is excited.