What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y_3, y_3 is curious. There is at least one y_3 for which if y_3 were curious, then y_3 is a taxi driver. For all y_3, y_3 will play squash or y_3 is not a taxi driver.
There is at least one y_3 for which y_3 is a taxi driver. For all y_3, if y_3 were a taxi driver, then y_3 is playing squash.