What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_18, x_18 is not fast. For all x_18, x_18 is fast or x_18 is a musician. For all x_18, x_18 will read a book or x_18 will not take a plane. For all x_18, if x_18 were a taxi driver, then x_18 is reading a book. There is at least one x_18 for which x_18 is curious or x_18 will take a plane. For all x_18, x_18 is not curious or x_18 is a taxi driver.
For all x_18, x_18 is a musician. There is at least one x_18 for which x_18 will take a plane or x_18 is a taxi driver. For all x_18, if x_18 takes a plane, then x_18 is reading a book.