What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, x_12 will play tennis if and only if x_12 is a poet. For all x_12, x_12 is not a poet. For all x_12, if x_12 were an office clerk, then x_12 is cooking. There is at least one x_12 for which if x_12 cooks, then x_12 is playing tennis.
There is at least one x_12 for which if x_12 were an office clerk, then x_12 is playing tennis. For all x_12, if x_12 plays tennis, then x_12 is a poet. For all x_12, if x_12 were a poet, then x_12 is playing tennis. For all x_12, x_12 will not play tennis.