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 write a letter if and only if x_11 is an artist. For all x_11, if x_11 listens to a song, then x_11 is driving a car. There is at least one x_11 for which x_11 will listen to a song. For all x_11, if x_11 writes a letter, then x_11 is not driving a car.
There is at least one x_11 for which x_11 will drive a car. For all x_11, if x_11 writes a letter, then x_11 is an artist. For all x_11, if x_11 were an artist, then x_11 is writing a letter.