What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 will play tennis if and only if x_11 will listen to a song. There is at least one x_11 for which x_11 is fast or x_11 will cook. For all x_11, x_11 is not fast or x_11 is a poet. For all x_11, if x_11 cooks, then x_11 is playing tennis. For all x_11, if x_11 were a poet, then x_11 is listening to a song.
There is at least one x_11 for which x_11 will cook or x_11 is a poet. For all x_11, if x_11 plays tennis, then x_11 is listening to a song. For all x_11, if x_11 listens to a song, then x_11 is playing tennis.