What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_15, x_15 is fast if and only if x_15 is a poet. For all x_15, x_15 will play a game. There is at least one x_15 for which x_15 is a poet.
Some poets will play a game. There is at least one x_15 for which x_15 will play a game and x_15 is a poet. For all x_15, if x_15 were fast, then x_15 is a poet. For all x_15, if x_15 were a poet, then x_15 is fast.