What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_17, if x_17 were a scientist, then x_17 is driving a car. For all x_17, x_17 will work or x_17 is a nurse. For all x_17, if x_17 were a sailor, then x_17 is driving a car. There is at least one x_17 for which x_17 is a scientist or x_17 is a sailor. For all x_17, if x_17 works, then x_17 is fast. For all x_17, x_17 is a nurse if and only if x_17 is fast.
There is at least one x_17 for which x_17 will drive a car. For all x_17, if x_17 were a nurse, then x_17 is fast. For all x_17, if x_17 were fast, then x_17 is a nurse.