What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 will drive a car or x_8 will play squash. For all x_8, x_8 will write a letter or x_8 will make tea. For all x_8, if x_8 makes tea, then x_8 is climbing a mountain. For all x_8, x_8 will not drive a car. For all x_8, if x_8 writes a letter, then x_8 is climbing a mountain.
For all x_8, x_8 will play squash. For all x_8, x_8 will climb a mountain.