What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, x_14 is a musician. For all x_14, x_14 will drive a car and x_14 is a cashier. There is at least one x_14 for which x_14 is happy.
For all x_14, x_14 will drive a car. For all x_14, x_14 is a cashier. There is at least one x_14 for which x_14 is happy and x_14 is a musician. There is at least one x_14 for which x_14 is a musician and x_14 is happy.