What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_16, x_16 is an electrician. For all x_16, x_16 will climb a mountain and x_16 is happy. There is at least one x_16 for which x_16 is a musician.
For all x_16, x_16 will climb a mountain. For all x_16, x_16 is happy. There is at least one x_16 for which x_16 is a musician and x_16 is an electrician. There is at least one x_16 for which x_16 is an electrician and x_16 is a musician.