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, if x_14 were a musician, then x_14 is climbing a mountain. If David goes running, then Elisabeth is not climbing a mountain. For all x_14, x_14 is an office clerk. For all x_14, if x_14 were an office clerk, then x_14 is a musician.
For all x_14, x_14 is a musician. For all x_14, if x_14 were an office clerk, then x_14 is climbing a mountain.