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 scientist. For all x_6, x_6 will cook. For all x_6, if x_6 plays tennis, then x_6 is listening to a song. For all x_6, x_6 will play tennis.
For all x_6, x_6 will listen to a song. For all x_6, x_6 is a scientist and x_6 will cook. For all x_6, x_6 is a scientist and x_6 will play tennis. For all x_6, x_6 will cook and x_6 is a scientist. For all x_6, x_6 will cook and x_6 will play tennis. For all x_6, x_6 will play tennis and x_6 is a scientist. For all x_6, x_6 will play tennis and x_6 will cook.