What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 is a bartender. For all x_6, x_6 will play tennis. For all x_6, if x_6 were a bartender, then x_6 is reading a book. For all x_6, x_6 is a police officer.
For all x_6, x_6 will read a book. For all x_6, x_6 is a bartender and x_6 will play tennis. For all x_6, x_6 is a bartender and x_6 is a police officer. For all x_6, x_6 will play tennis and x_6 is a bartender. For all x_6, x_6 will play tennis and x_6 is a police officer. For all x_6, x_6 is a police officer and x_6 is a bartender. For all x_6, x_6 is a police officer and x_6 will play tennis.