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, if x_12 listens to a song, then x_12 is cooking. There is at least one x_12 for which if x_12 listens to a song, then x_12 is not playing squash. For all x_12, x_12 will cook if and only if x_12 will listen to a song. For all x_12, x_12 will play squash.
There is at least one x_12 for which x_12 will not listen to a song. For all x_12, if x_12 cooks, then x_12 is listening to a song. For all x_12, if x_12 listens to a song, then x_12 is cooking.