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, if x_11 were curious, then x_11 is listening to a song. For all x_11, if x_11 reads a book, then x_11 is listening to a song. For all x_11, x_11 will work. There is at least one x_11 for which x_11 is curious or x_11 will read a book.
There is at least one x_11 for which x_11 will listen to a song.