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 doctor. There is at least one x_14 for which x_14 is a writer or x_14 is a musician. For all x_14, if x_14 were a writer, then x_14 is drinking water. For all x_14, if x_14 were a musician, then x_14 is drinking water. For all x_14, x_14 will write a letter.
For all x_14, x_14 is a doctor and x_14 will write a letter. For all x_14, x_14 will write a letter and x_14 is a doctor. There is at least one x_14 for which x_14 will drink water.