What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_3, if x_3 were fast, then x_3 is happy. There is at least one x_3 for which if x_3 were happy, then x_3 is a server. For all x_3, if x_3 were a server, then x_3 is fast.
For all x_3, if x_3 were a server, then x_3 is happy. There is at least one x_3 for which if x_3 were happy, then x_3 is fast. There is at least one x_3 for which if x_3 were fast, then x_3 is a server.