What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, if x_9 plays squash, then x_9 is a writer. For all x_9, x_9 will cook or x_9 will play squash. For all x_9, if x_9 were a taxi driver, then x_9 is a sailor. There is at least one x_9 for which if x_9 were a writer, then x_9 is a taxi driver. For all x_9, x_9 will not cook.
There is at least one x_9 for which if x_9 were a writer, then x_9 is a sailor. There is at least one x_9 for which if x_9 plays squash, then x_9 is a taxi driver. For all x_9, x_9 will play squash.