What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_8 for which if x_8 were an office clerk, then x_8 is drinking water. For all x_8, if x_8 were a politician, then x_8 is drinking water. For all x_8, x_8 is a politician or x_8 is an office clerk. For all x_8, if x_8 listens to a song, then x_8 is not drinking water.
There is at least one x_8 for which x_8 will drink water.